IRIS

IRIS Assessments

This page provides a list of final IRIS assessments in alphabetical order by chemical name.   

  Chemical Name CASRN Last Significant Revision* IRIS Summary Tox Review/Supporting Document Literature Screening Review Critical Effect Systems RfD Value (Chronic) RfD Value (Subchronic) RfC Value (Chronic) RfC Value (Subchronic) Tumor Site Pesticide Archive
1 Acenaphthene 83-32-9 19901101 Nov-01-1990 IRIS Summary for Acenaphthene' (PDF 7 pp, 89 K)  Not Available No Hepatic
6 x 10 -2 mg/kg-day None
2 Acenaphthylene 208-96-8 19910101 Jan-01-1991 IRIS Summary for Acenaphthylene' (PDF 6 pp, 82 K)  Not Available No None None
3 Acephate 30560-19-1 19890501 May-01-1989 IRIS Summary for Acephate' (PDF 13 pp, 114 K)  Not Available Yes Nervous
4 x 10 -3 mg/kg-day Hepatic
pesticide archive
4 Acetaldehyde 75-07-0 19911001 Oct-01-1991 IRIS Summary for Acetaldehyde' (PDF 20 pp, 147 K)  Not Available No
Nervous
Respiratory
9 x 10 -3 mg/m3 Respiratory
5 Acetochlor 34256-82-1 19930901 Sep-01-1993 IRIS Summary for Acetochlor' (PDF 14 pp, 126 K)  Not Available Yes
Hematologic
Hepatic
Nervous
Reproductive
Urinary
2 x 10 -2 mg/kg-day None pesticide
6 Acetone 67-64-1 20030731 Jul-31-2003 IRIS Summary for Acetone' (PDF 26 pp, 229 K) Toxicological Review for NoneAcetone (PDF 85 pp, 1.19 M) No Urinary
9 x 10 -1 mg/kg-day None
7 Acetonitrile 75-05-8 19990303 Mar-03-1999 IRIS Summary for Acetonitrile' (PDF 23 pp, 165 K) Toxicological Review for NoneAcetonitrile (PDF 35 pp, 144 K) No None 6 x 10 -2 mg/m3 None
8 Acetophenone 98-86-2 19910201 Feb-01-1991 IRIS Summary for Acetophenone' (PDF 9 pp, 98 K)  Not Available Yes None 1 x 10 -1 mg/kg-day None
9 Acetyl chloride 75-36-5 19910301 Mar-01-1991 IRIS Summary for Acetyl chloride' (PDF 5 pp, 87 K)  Not Available No None None
10 Acifluorfen, sodium 62476-59-9 19870331 Mar-31-1987 IRIS Summary for Acifluorfen, sodium' (PDF 7 pp, 89 K)  Not Available Yes
Developmental
Urinary
1.3 x 10 -2 mg/kg-day None pesticide
11 Acrolein 107-02-8 20030603 Jun-03-2003 IRIS Summary for Acrolein' (PDF 25 pp, 176 K) Toxicological Review for NoneAcrolein (PDF 106 pp, 332 K) No Respiratory
5 x 10 -4 mg/kg-day 2 x 10 -5 mg/m3 None
12 Acrylamide 79-06-1 20100322 Mar-22-2010 IRIS Summary for Acrylamide' (PDF 34 pp, 324 K) Toxicological Review for NoneAcrylamide (PDF 459 pp, 4.84 M) No Nervous
2 x 10 -3 mg/kg-day 6 x 10 -3 mg/m3
Endocrine
Reproductive
13 Acrylic acid 79-10-7 19940401 Apr-01-1994 IRIS Summary for Acrylic acid' (PDF 23 pp, 157 K)  Not Available Yes
Developmental
Nervous
Respiratory
5 x 10 -1 mg/kg-day 1 x 10 -3 mg/m3 None
14 Acrylonitrile 107-13-1 19911101 Nov-01-1991 IRIS Summary for Acrylonitrile' (PDF 23 pp, 162 K)  Discontinued Yes Respiratory
2 x 10 -3 mg/m3
Gastrointestinal
Nervous
Respiratory
15 Adiponitrile 111-69-3 19910201 Feb-01-1991 IRIS Summary for Adiponitrile' (PDF 6 pp, 89 K)  Not Available Yes None None
16 Alachlor 15972-60-8 19930901 Sep-01-1993 IRIS Summary for Alachlor' (PDF 9 pp, 100 K)  Not Available No Hematologic
1 x 10 -2 mg/kg-day None pesticide
17 Alar 1596-84-5 19880630 Jun-30-1988 IRIS Summary for Alar' (PDF 8 pp, 91 K)  Not Available Yes None 1.5 x 10 -1 mg/kg-day None pesticide
18 Aldicarb 116-06-3 19931101 Nov-01-1993 IRIS Summary for Aldicarb' (PDF 24 pp, 161 K)  Not Available Yes Nervous
1 x 10 -3 mg/kg-day None pesticide
19 Aldicarb sulfone 1646-88-4 19931101 Nov-01-1993 IRIS Summary for Aldicarb sulfone' (PDF 10 pp, 102 K)  Not Available Yes Nervous
1 x 10 -3 mg/kg-day None
20 Aldrin 309-00-2 19870930 Sep-30-1987 IRIS Summary for Aldrin' (PDF 14 pp, 121 K)  Not Available Yes Hepatic
3 x 10 -5 mg/kg-day Hepatic
pesticide
21 Ally 74223-64-6 19880630 Jun-30-1988 IRIS Summary for Ally' (PDF 6 pp, 85 K)  Not Available Yes None 2.5 x 10 -1 mg/kg-day None pesticide
22 Allyl alcohol 107-18-6 19870131 Jan-31-1987 IRIS Summary for Allyl alcohol' (PDF 7 pp, 90 K)  Not Available Yes
Hepatic
Urinary
5 x 10 -3 mg/kg-day None
23 Allyl chloride 107-05-1 19911201 Dec-01-1991 IRIS Summary for Allyl chloride' (PDF 13 pp, 139 K)  Not Available Yes Nervous
1 x 10 -3 mg/m3 None
24 Aluminum phosphide 20859-73-8 19870131 Jan-31-1987 IRIS Summary for Aluminum phosphide' (PDF 7 pp, 88 K)  Not Available Yes None 4 x 10 -4 mg/kg-day None pesticide
25 Amdro 67485-29-4 19870930 Sep-30-1987 IRIS Summary for Amdro' (PDF 7 pp, 87 K)  Not Available Yes Hepatic
3 x 10 -4 mg/kg-day None pesticide archive
26 Ametryn 834-12-8 19870930 Sep-30-1987 IRIS Summary for Ametryn' (PDF 7 pp, 89 K)  Not Available Yes Hepatic
9 x 10 -3 mg/kg-day None pesticide
27 4-Aminopyridine 504-24-5 19891201 Dec-01-1989 IRIS Summary for 4-Aminopyridine' (PDF 6 pp, 86 K)  Not Available Yes None None pesticide
28 Amitraz 33089-61-1 19880822 Aug-22-1988 IRIS Summary for Amitraz' (PDF 8 pp, 91 K)  Not Available Yes Hematologic
2.5 x 10 -3 mg/kg-day None pesticide
29 Ammonia 7664-41-7 20160920 Sep-20-2016 IRIS Summary for Ammonia' (PDF 10 pp, 309 K) Toxicological Review for NoneAmmonia (PDF 99 pp, 1.0 M)
Ammonia Support Documents
Yes Respiratory
5 x 10 -1 mg/m3 None
30 Ammonium acetate 631-61-8 19910301 Mar-01-1991 IRIS Summary for Ammonium acetate' (PDF 5 pp, 86 K)  Not Available No None None
31 Ammonium methacrylate 16325-47-6 19910301 Mar-01-1991 IRIS Summary for Ammonium methacrylate' (PDF 5 pp, 87 K)  Not Available No None None
32 Ammonium sulfamate 7773-06-0 19890101 Jan-01-1989 IRIS Summary for Ammonium sulfamate' (PDF 7 pp, 89 K)  Not Available Yes None 2 x 10 -1 mg/kg-day None
33 Aniline 62-53-3 19901101 Nov-01-1990 IRIS Summary for Aniline' (PDF 19 pp, 139 K)  Not Available Yes Hematologic
1 x 10 -3 mg/m3 Immune
34 ortho-Anisidine 90-04-0 19911001 Oct-01-1991 IRIS Summary for ortho-Anisidine' (PDF 4 pp, 83 K)  Not Available Yes None None archive
35 Anthracene 120-12-7 19910101 Jan-01-1991 IRIS Summary for Anthracene' (PDF 13 pp, 114 K)  Not Available No None 3 x 10 -1 mg/kg-day None
36 Antimony 7440-36-0 19870131 Jan-31-1987 IRIS Summary for Antimony' (PDF 8 pp, 95 K)  Not Available Yes Hematologic
4 x 10 -4 mg/kg-day None
37 Antimony trioxide 1309-64-4 19950901 Sep-01-1995 IRIS Summary for Antimony trioxide' (PDF 21 pp, 158 K)  Not Available Yes Respiratory
2 x 10 -4 mg/m3 None
38 Apollo 74115-24-5 19910601 Jun-01-1991 IRIS Summary for Apollo' (PDF 12 pp, 108 K)  Not Available Yes
Endocrine
Hepatic
1.3 x 10 -2 mg/kg-day None pesticide
39 Aramite 140-57-8 19910601 Jun-01-1991 IRIS Summary for Aramite' (PDF 14 pp, 125 K)  Not Available Yes None Hepatic
40 Aroclor 1016 12674-11-2 19930101 Jan-01-1993 IRIS Summary for Aroclor 1016' (PDF 19 pp, 145 K)  Not Available No Developmental
7 x 10 -5 mg/kg-day None
41 Aroclor 1248 12672-29-6 19940401 Apr-01-1994 IRIS Summary for Aroclor 1248' (PDF 7 pp, 88 K)  Not Available No None None
42 Aroclor 1254 11097-69-1 19941001 Oct-01-1994 IRIS Summary for Aroclor 1254' (PDF 26 pp, 167 K)  Not Available No
Dermal
Immune
Ocular
2 x 10 -5 mg/kg-day None
43 Arsenic, Inorganic 7440-38-2 19950601 Jun-01-1995 IRIS Summary for Arsenic, Inorganic' (PDF 29 pp, 186 K)  Not Available Arsenic, Inorganic Support Documents Yes
Cardiovascular
Dermal
3 x 10 -4 mg/kg-day
Dermal
Respiratory
44 Arsine 7784-42-1 19940301 Mar-01-1994 IRIS Summary for Arsine' (PDF 17 pp, 139 K)  Not Available Yes
Hematologic
Immune
5 x 10 -5 mg/m3 None
45 Asbestos 1332-21-4 19880926 Sep-26-1988 IRIS Summary for Asbestos' (PDF 15 pp, 129 K)  Not Available No None Respiratory
46 Assure 76578-14-8 19910601 Jun-01-1991 IRIS Summary for Assure' (PDF 11 pp, 104 K)  Not Available Yes Hepatic
9 x 10 -3 mg/kg-day None pesticide
47 Asulam 3337-71-1 19880630 Jun-30-1988 IRIS Summary for Asulam' (PDF 7 pp, 90 K)  Not Available Yes
Hepatic
Reproductive
5 x 10 -2 mg/kg-day None pesticide archive
48 Atrazine 1912-24-9 19931001 Oct-01-1993 IRIS Summary for Atrazine' (PDF 15 pp, 126 K)  Not Available Yes None 3.5 x 10 -2 mg/kg-day None pesticide
49 Avermectin B1 65195-55-3 19890701 Jul-01-1989 IRIS Summary for Avermectin B1' (PDF 9 pp, 94 K)  Not Available Yes Developmental
4 x 10 -4 mg/kg-day None pesticide
50 Azobenzene 103-33-3 19880907 Sep-07-1988 IRIS Summary for Azobenzene' (PDF 9 pp, 97 K)  Not Available Yes None None
51 Barium and Compounds 7440-39-3 20050711 Jul-11-2005 IRIS Summary for Barium and Compounds' (PDF 34 pp, 208 K) Toxicological Review for NoneBarium and Compounds (PDF 88 pp, 325 K) Yes Urinary
2 x 10 -1 mg/kg-day None
52 Barium cyanide 542-62-1 19910301 Mar-01-1991 IRIS Summary for Barium cyanide' (PDF 4 pp, 77 K)  Not Available No None None archive
53 Baygon 114-26-1 19870930 Sep-30-1987 IRIS Summary for Baygon' (PDF 8 pp, 92 K)  Not Available Yes Nervous
4 x 10 -3 mg/kg-day None pesticide
54 Bayleton 43121-43-3 19880301 Mar-01-1988 IRIS Summary for Bayleton' (PDF 7 pp, 89 K)  Not Available Yes Hematologic
3 x 10 -2 mg/kg-day None pesticide archive
55 Baythroid 68359-37-5 19880301 Mar-01-1988 IRIS Summary for Baythroid' (PDF 7 pp, 86 K)  Not Available Yes Urinary
2.5 x 10 -2 mg/kg-day None pesticide
56 Benefin 1861-40-1 19870331 Mar-31-1987 IRIS Summary for Benefin' (PDF 7 pp, 88 K)  Not Available Yes Hematologic
3 x 10 -1 mg/kg-day None pesticide archive
57 Benomyl 17804-35-2 19870131 Jan-31-1987 IRIS Summary for Benomyl' (PDF 8 pp, 91 K)  Not Available Yes Developmental
5 x 10 -2 mg/kg-day None pesticide
58 Bentazon (Basagran) 25057-89-0 19980302 Mar-02-1998 IRIS Summary for Bentazon (Basagran)' (PDF 20 pp, 145 K) Toxicological Review for NoneBentazon (Basagran) (PDF 30 pp, 180 K) Yes Hematologic
3 x 10 -2 mg/kg-day None pesticide
59 Benz[a]anthracene 56-55-3 19901201 Dec-01-1990 IRIS Summary for Benz[a]anthracene' (PDF 12 pp, 114 K)  Not Available No None None
60 Benzaldehyde 100-52-7 19880907 Sep-07-1988 IRIS Summary for Benzaldehyde' (PDF 6 pp, 86 K)  Not Available Yes
Gastrointestinal
Urinary
1 x 10 -1 mg/kg-day None
61 Benzene 71-43-2 20030417 Apr-17-2003 IRIS Summary for Benzene' (PDF 45 pp, 261 K) Noncancer Effects Toxicological Review for NoneBenzene (PDF 180 pp, 1.59 M)
Benzene Support Documents
No Immune
4 x 10 -3 mg/kg-day 3 x 10 -2 mg/m3 Hematologic
62 Benzidine 92-87-5 19910701 Jul-01-1991 IRIS Summary for Benzidine' (PDF 16 pp, 129 K)  Not Available Yes
Hepatic
Nervous
3 x 10 -3 mg/kg-day Urinary
63 Benzo[a]pyrene (BaP) 50-32-8 20170119 Jan-19-2017 IRIS Summary for Benzo[a]pyrene (BaP)' (PDF 9 pp, 671 K) Toxicological Review for NoneBenzo[a]pyrene (BaP) (PDF 234 pp, 4.67 M)
Benzo[a]pyrene (BaP) Support Documents
No
Developmental
Immune
Reproductive
3 x 10 -4 mg/kg-day 2 x 10 -6 mg/m3
Gastrointestinal
Respiratory
64 Benzo[b]fluoranthene 205-99-2 19901201 Dec-01-1990 IRIS Summary for Benzo[b]fluoranthene' (PDF 8 pp, 94 K)  Not Available No None None
65 Benzo[g,h,i]perylene 191-24-2 19901201 Dec-01-1990 IRIS Summary for Benzo[g,h,i]perylene' (PDF 8 pp, 98 K)  Not Available No None None
66 Benzo[k]fluoranthene 207-08-9 19901101 Nov-01-1990 IRIS Summary for Benzo[k]fluoranthene' (PDF 8 pp, 97 K)  Not Available No None None
67 Benzoic acid 65-85-0 19890801 Aug-01-1989 IRIS Summary for Benzoic acid' (PDF 11 pp, 108 K)  Not Available Yes None 4 mg/kg-day None
68 Benzotrichloride 98-07-7 19900701 Jul-01-1990 IRIS Summary for Benzotrichloride' (PDF 14 pp, 119 K)  Not Available No None Respiratory
69 Benzyl chloride 100-44-7 19920101 Jan-01-1992 IRIS Summary for Benzyl chloride' (PDF 13 pp, 118 K)  Not Available Yes None Endocrine
70 Beryllium and compounds 7440-41-7 19980403 Apr-03-1998 IRIS Summary for Beryllium and compounds' (PDF 51 pp, 284 K) Toxicological Review for NoneBeryllium and compounds (PDF 94 pp, 320 K) Yes
Gastrointestinal
Immune
Respiratory
2 x 10 -3 mg/kg-day 2 x 10 -5 mg/m3 Respiratory
71 Bidrin 141-66-2 19870930 Sep-30-1987 IRIS Summary for Bidrin' (PDF 7 pp, 89 K)  Not Available Yes Reproductive
1 x 10 -4 mg/kg-day None pesticide archive
72 Biphenthrin 82657-04-3 19880822 Aug-22-1988 IRIS Summary for Biphenthrin' (PDF 7 pp, 87 K)  Not Available Yes Nervous
1.5 x 10 -2 mg/kg-day None pesticide
73 Biphenyl 92-52-4 20130827 Aug-27-2013 IRIS Summary for Biphenyl' (PDF 12 pp, 111 K) Toxicological Review for NoneBiphenyl (PDF 225 pp, 4.82 M) Yes Urinary
5 x 10 -1 mg/kg-day Hepatic
74 Bis(2-chloro-1-methylethyl) ether 108-60-1 19891001 Oct-01-1989 IRIS Summary for Bis(2-chloro-1-methylethyl) ether' (PDF 7 pp, 91 K)  Not Available Yes Hematologic
4 x 10 -2 mg/kg-day None
75 Bis(2-chloroethoxy)methane 111-91-1 19910301 Mar-01-1991 IRIS Summary for Bis(2-chloroethoxy)methane' (PDF 5 pp, 88 K)  Not Available Yes None None
76 Bis(chloroethyl)ether (BCEE) 111-44-4 19911001 Oct-01-1991 IRIS Summary for Bis(chloroethyl)ether (BCEE)' (PDF 10 pp, 104 K)  Not Available Yes None Hepatic
77 Bis(chloromethyl)ether (BCME) 542-88-1 19910701 Jul-01-1991 IRIS Summary for Bis(chloromethyl)ether (BCME)' (PDF 12 pp, 113 K)  Not Available Yes None Respiratory
78 Bisphenol A 80-05-7 19880926 Sep-26-1988 IRIS Summary for Bisphenol A' (PDF 8 pp, 93 K)  Not Available Yes None 5 x 10 -2 mg/kg-day None
79 Boron and Compounds 7440-42-8 20040805 Aug-05-2004 IRIS Summary for Boron and Compounds' (PDF 30 pp, 193 K) Toxicological Review for NoneBoron and Compounds (PDF 144 pp, 864 K) No Developmental
2 x 10 -1 mg/kg-day None
80 Bromate 15541-45-4 20010606 Jun-06-2001 IRIS Summary for Bromate' (PDF 27 pp, 186 K) Toxicological Review for NoneBromate (PDF 58 pp, 261 K) No Urinary
4 x 10 -3 mg/kg-day
Endocrine
Reproductive
Urinary
81 Brominated dibenzofurans None 19901201 Dec-01-1990 IRIS Summary for Brominated dibenzofurans' (PDF 5 pp, 81 K)  Not Available No None None
82 Bromobenzene 108-86-1 20090930 Sep-30-2009 IRIS Summary for Bromobenzene' (PDF 27 pp, 243 K) Toxicological Review for NoneBromobenzene (PDF 123 pp, 786 K) No Hepatic
8 x 10 -3 mg/kg-day 2 x 10 -2 mg/kg-day 6 x 10 -2 mg/m3 2 x 10 -1 mg/m3 None
83 Bromochloromethane 74-97-5 19910301 Mar-01-1991 IRIS Summary for Bromochloromethane' (PDF 6 pp, 93 K)  Not Available No None None
84 Bromodichloromethane 75-27-4 19930201 Feb-01-1993 IRIS Summary for Bromodichloromethane' (PDF 18 pp, 135 K)  Not Available Yes Urinary
2 x 10 -2 mg/kg-day Urinary
85 p-Bromodiphenyl ether 101-55-3 19900801 Aug-01-1990 IRIS Summary for p-Bromodiphenyl ether' (PDF 6 pp, 91 K)  Not Available No None None
86 Bromoform 75-25-2 19931201 Dec-01-1993 IRIS Summary for Bromoform' (PDF 23 pp, 152 K)  Not Available Yes Hepatic
2 x 10 -2 mg/kg-day Gastrointestinal
87 Bromomethane 74-83-9 19920401 Apr-01-1992 IRIS Summary for Bromomethane' (PDF 29 pp, 184 K)  Not Available Yes
Gastrointestinal
Nervous
Respiratory
1.4 x 10 -3 mg/kg-day 5 x 10 -3 mg/m3 None
88 Bromotrichloromethane 75-62-7 19910301 Mar-01-1991 IRIS Summary for Bromotrichloromethane' (PDF 6 pp, 89 K)  Not Available Yes None None
89 Bromoxynil 1689-84-5 19880630 Jun-30-1988 IRIS Summary for Bromoxynil' (PDF 7 pp, 88 K)  Not Available No None 2 x 10 -2 mg/kg-day None pesticide archive
90 Bromoxynil octanoate 1689-99-2 19880907 Sep-07-1988 IRIS Summary for Bromoxynil octanoate' (PDF 7 pp, 88 K)  Not Available Yes None 2 x 10 -2 mg/kg-day None pesticide archive
91 1,3-Butadiene 106-99-0 20021105 Nov-05-2002 IRIS Summary for 1,3-Butadiene' (PDF 27 pp, 187 K)  Not Available 1,3-Butadiene Support Documents No Reproductive
2 x 10 -3 mg/m3 Hematologic
92 n-Butanol 71-36-3 19910301 Mar-01-1991 IRIS Summary for n-Butanol' (PDF 10 pp, 100 K)  Discontinued Yes Nervous
1 x 10 -1 mg/kg-day None
93 tert-Butyl Alcohol (tBA) 75-65-0 20210813 Aug-13-2021 IRIS Summary for tert-Butyl Alcohol (tBA)' (PDF 7 pp, 310 K) Toxicological Review for Nonetert-Butyl Alcohol (tBA) (PDF 156 pp, 2.44 M)
tert-Butyl Alcohol (tBA) Support Documents
No Urinary

Endocrine
Urinary
94 Butyl benzyl phthalate (BBP) 85-68-7 19890901 Sep-01-1989 IRIS Summary for Butyl benzyl phthalate (BBP)' (PDF 12 pp, 111 K)  Discontinued Yes Hepatic
2 x 10 -1 mg/kg-day None
95 Butylate 2008-41-5 19941001 Oct-01-1994 IRIS Summary for Butylate' (PDF 13 pp, 116 K)  Not Available Yes Hepatic
5 x 10 -2 mg/kg-day None pesticide
96 t-Butylchloride 507-20-0 19900401 Apr-01-1990 IRIS Summary for t-Butylchloride' (PDF 6 pp, 86 K)  Not Available No None None
97 Butylphthalyl butylglycolate (BPBG) 85-70-1 19870301 Mar-01-1987 IRIS Summary for Butylphthalyl butylglycolate (BPBG)' (PDF 6 pp, 86 K)  Not Available No None 1 mg/kg-day None
98 Cacodylic acid 75-60-5 19921101 Nov-01-1992 IRIS Summary for Cacodylic acid' (PDF 9 pp, 104 K)  Not Available Yes None None pesticide
99 Cadmium 7440-43-9 19891001 Oct-01-1989 IRIS Summary for Cadmium' (PDF 13 pp, 118 K)  Not Available No Urinary
5 x 10 -4 mg/kg-day Respiratory
100 Calcium cyanide 592-01-8 20100928 Sep-28-2010 IRIS Summary for Calcium cyanide' (PDF 27 pp, 243 K) Toxicological Review for NoneCalcium cyanide (PDF 153 pp, 905 K) Yes Reproductive
1 x 10 -3 mg/kg-day None
101 Caprolactam 105-60-2 19940901 Sep-01-1994 IRIS Summary for Caprolactam' (PDF 17 pp, 134 K)  Not Available Yes Developmental
5 x 10 -1 mg/kg-day None
102 Captafol 2425-06-1 19870930 Sep-30-1987 IRIS Summary for Captafol' (PDF 7 pp, 87 K)  Not Available Yes Urinary
2 x 10 -3 mg/kg-day None pesticide
103 Captan 133-06-2 19890301 Mar-01-1989 IRIS Summary for Captan' (PDF 9 pp, 97 K)  Not Available No None 1.3 x 10 -1 mg/kg-day None pesticide
104 Carbaryl 63-25-2 19911101 Nov-01-1991 IRIS Summary for Carbaryl' (PDF 8 pp, 95 K)  Not Available Yes
Hepatic
Urinary
1 x 10 -1 mg/kg-day None pesticide
105 Carbofuran 1563-66-2 19870930 Sep-30-1987 IRIS Summary for Carbofuran' (PDF 7 pp, 87 K)  Not Available Yes
Nervous
Reproductive
5 x 10 -3 mg/kg-day None pesticide
106 Carbon disulfide 75-15-0 19950801 Aug-01-1995 IRIS Summary for Carbon disulfide' (PDF 30 pp, 185 K)  Not Available Yes
Developmental
Nervous
1 x 10 -1 mg/kg-day 7 x 10 -1 mg/m3 None
107 Carbon tetrachloride 56-23-5 20100331 Mar-31-2010 IRIS Summary for Carbon tetrachloride' (PDF 20 pp, 363 K) Toxicological Review for NoneCarbon tetrachloride (PDF 473 pp, 3.04 M) No Hepatic
4 x 10 -3 mg/kg-day 1 x 10 -1 mg/m3
Endocrine
Hepatic
108 Carbonyl sulfide 463-58-1 19911101 Nov-01-1991 IRIS Summary for Carbonyl sulfide' (PDF 4 pp, 82 K)  Not Available Yes None None archive
109 Carbosulfan 55285-14-8 19870131 Jan-31-1987 IRIS Summary for Carbosulfan' (PDF 7 pp, 87 K)  Not Available Yes None 1 x 10 -2 mg/kg-day None
110 Carboxin 5234-68-4 19870131 Jan-31-1987 IRIS Summary for Carboxin' (PDF 7 pp, 88 K)  Not Available Yes None 1 x 10 -1 mg/kg-day None pesticide
111 Cerium Oxide and Cerium Compounds 1306-38-3 20090929 Sep-29-2009 IRIS Summary for Cerium Oxide and Cerium Compounds' (PDF 19 pp, 205 K) Toxicological Review for NoneCerium Oxide and Cerium Compounds (PDF 118 pp, 720 K) No Respiratory
9 x 10 -4 mg/m3 None
112 Chloral hydrate 302-17-0 20000915 Sep-15-2000 IRIS Summary for Chloral hydrate' (PDF 39 pp, 220 K) Toxicological Review for NoneChloral hydrate (PDF 69 pp, 148 K) Yes
Gastrointestinal
Nervous
1 x 10 -1 mg/kg-day None
113 Chloramben 133-90-4 19870131 Jan-31-1987 IRIS Summary for Chloramben' (PDF 7 pp, 89 K)  Not Available Yes Hepatic
1.5 x 10 -2 mg/kg-day None pesticide
114 Chlordane (Technical) 12789-03-6 19980207 Feb-07-1998 IRIS Summary for Chlordane (Technical)' (PDF 46 pp, 262 K) Toxicological Review for NoneChlordane (Technical) (PDF 73 pp, 228 K) Yes Hepatic
5 x 10 -4 mg/kg-day 7 x 10 -4 mg/m3 Hepatic
pesticide
115 Chlordecone (Kepone) 143-50-0 20090922 Sep-22-2009 IRIS Summary for Chlordecone (Kepone)' (PDF 24 pp, 231 K) Toxicological Review for NoneChlordecone (Kepone) (PDF 183 pp, 1.03 M) No Urinary
3 x 10 -4 mg/kg-day Hepatic
pesticide
116 Chlorimuron-ethyl 90982-32-4 19891101 Nov-01-1989 IRIS Summary for Chlorimuron-ethyl' (PDF 7 pp, 90 K)  Not Available Yes Hematologic
2 x 10 -2 mg/kg-day None pesticide archive
117 Chlorine 7782-50-5 19940601 Jun-01-1994 IRIS Summary for Chlorine' (PDF 14 pp, 120 K)  Not Available Yes None 1 x 10 -1 mg/kg-day None
118 Chlorine cyanide 506-77-4 19870131 Jan-31-1987 IRIS Summary for Chlorine cyanide' (PDF 8 pp, 93 K)  Not Available No
Endocrine
Nervous
5 x 10 -2 mg/kg-day None
119 Chlorine dioxide 10049-04-4 20001011 Oct-11-2000 IRIS Summary for Chlorine dioxide' (PDF 25 pp, 177 K) Toxicological Review for NoneChlorine dioxide (PDF 56 pp, 144 K) Yes
Cardiovascular
Developmental
Nervous
Respiratory
3 x 10 -2 mg/kg-day 2 x 10 -4 mg/m3 None
120 Chlorite (sodium salt) 7758-19-2 20001011 Oct-11-2000 IRIS Summary for Chlorite (sodium salt)' (PDF 19 pp, 143 K) Toxicological Review for NoneChlorite (sodium salt) (PDF 56 pp, 144 K) No
Developmental
Nervous
3 x 10 -2 mg/kg-day None
121 1-Chloro-1,1-difluoroethane 75-68-3 19950701 Jul-01-1995 IRIS Summary for 1-Chloro-1,1-difluoroethane' (PDF 10 pp, 110 K)  Not Available No None 5 x 10 1 mg/m3 None
122 2-Chloroacetophenone 532-27-4 19911001 Oct-01-1991 IRIS Summary for 2-Chloroacetophenone' (PDF 12 pp, 118 K)  Not Available Yes Respiratory
3 x 10 -5 mg/m3 None
123 p-Chloroaniline 106-47-8 19880822 Aug-22-1988 IRIS Summary for p-Chloroaniline' (PDF 6 pp, 86 K)  Not Available Yes Immune
4 x 10 -3 mg/kg-day None
124 Chlorobenzene 108-90-7 19901101 Nov-01-1990 IRIS Summary for Chlorobenzene' (PDF 13 pp, 114 K)  Not Available Yes Hepatic
2 x 10 -2 mg/kg-day None
125 Chlorobenzilate 510-15-6 19891201 Dec-01-1989 IRIS Summary for Chlorobenzilate' (PDF 7 pp, 90 K)  Not Available Yes Nervous
2 x 10 -2 mg/kg-day None
126 1-Chlorobutane 109-69-3 19900401 Apr-01-1990 IRIS Summary for 1-Chlorobutane' (PDF 9 pp, 95 K)  Not Available No None None
127 2-Chlorobutane 78-86-4 19900401 Apr-01-1990 IRIS Summary for 2-Chlorobutane' (PDF 6 pp, 85 K)  Not Available No None None
128 Chlorocyclopentadiene 41851-50-7 19900301 Mar-01-1990 IRIS Summary for Chlorocyclopentadiene' (PDF 5 pp, 80 K)  Not Available No None None
129 Chlorodifluoromethane 75-45-6 19931101 Nov-01-1993 IRIS Summary for Chlorodifluoromethane' (PDF 12 pp, 119 K)  Not Available Yes
Endocrine
Urinary
5 x 10 1 mg/m3 None
130 Chloroform 67-66-3 20011019 Oct-19-2001 IRIS Summary for Chloroform' (PDF 41 pp, 234 K) Toxicological Review for NoneChloroform (PDF 112 pp, 759 K) No Hepatic
1 x 10 -2 mg/kg-day Hepatic
131 Chloromethyl methyl ether (CMME) 107-30-2 19870930 Sep-30-1987 IRIS Summary for Chloromethyl methyl ether (CMME)' (PDF 9 pp, 97 K)  Not Available No None None
132 beta-Chloronaphthalene 91-58-7 19901101 Nov-01-1990 IRIS Summary for beta-Chloronaphthalene' (PDF 6 pp, 93 K)  Not Available No
Hepatic
Respiratory
8 x 10 -2 mg/kg-day None
133 2-Chlorophenol 95-57-8 19880822 Aug-22-1988 IRIS Summary for 2-Chlorophenol' (PDF 6 pp, 95 K)  Not Available Yes Reproductive
5 x 10 -3 mg/kg-day None
134 p-Chlorophenyl methyl sulfide 123-09-1 19930601 Jun-01-1993 IRIS Summary for p-Chlorophenyl methyl sulfide' (PDF 7 pp, 96 K)  Not Available No None None
135 p-Chlorophenyl methyl sulfone 98-57-7 19930601 Jun-01-1993 IRIS Summary for p-Chlorophenyl methyl sulfone' (PDF 7 pp, 95 K)  Not Available Yes None None
136 p-Chlorophenyl methyl sulfoxide 934-73-6 19930601 Jun-01-1993 IRIS Summary for p-Chlorophenyl methyl sulfoxide' (PDF 7 pp, 95 K)  Not Available Yes None None
137 Chloroprene 126-99-8 20100930 Sep-30-2010 IRIS Summary for Chloroprene' (PDF 30 pp, 307 K) Toxicological Review for NoneChloroprene (PDF 303 pp, 4.63 M)
Chloroprene Support Documents
No
Immune
Nervous
Respiratory
2 x 10 -2 mg/m3
Dermal
Gastrointestinal
Hepatic
Ocular
Reproductive
Respiratory
138 Chlorothalonil 1897-45-6 19880301 Mar-01-1988 IRIS Summary for Chlorothalonil' (PDF 7 pp, 89 K)  Not Available No Urinary
1.5 x 10 -2 mg/kg-day None pesticide
139 o-Chlorotoluene 95-49-8 19900201 Feb-01-1990 IRIS Summary for o-Chlorotoluene' (PDF 7 pp, 89 K)  Not Available Yes None 2 x 10 -2 mg/kg-day None
140 Chlorpropham 101-21-3 19980630 Jun-30-1998 IRIS Summary for Chlorpropham' (PDF 8 pp, 92 K)  Not Available Yes
Hematologic
Hepatic
Immune
Urinary
2 x 10 -1 mg/kg-day None pesticide archive
141 Chlorpyrifos 2921-88-2 20110324 Mar-24-2011 IRIS Summary for Chlorpyrifos' (PDF 4 pp, 75 K)  Not Available No None None pesticide archive
142 Chlorsulfuron 64902-72-3 19870131 Jan-31-1987 IRIS Summary for Chlorsulfuron' (PDF 7 pp, 89 K)  Not Available Yes None 5 x 10 -2 mg/kg-day None pesticide archive
143 Chromium(III), insoluble salts 16065-83-1 19980903 Sep-03-1998 IRIS Summary for Chromium(III), insoluble salts' (PDF 17 pp, 136 K) Toxicological Review for NoneChromium(III), insoluble salts (PDF 77 pp, 497 K) Yes None 1.5 mg/kg-day None
144 Chromium(VI) 18540-29-9 19980903 Sep-03-1998 IRIS Summary for Chromium(VI)' (PDF 34 pp, 203 K) Toxicological Review for NoneChromium(VI) (PDF 70 pp, 195 K) Yes Respiratory
3 x 10 -3 mg/kg-day 1 x 10 -4 mg/m3 Respiratory
145 Chrysene 218-01-9 19901201 Dec-01-1990 IRIS Summary for Chrysene' (PDF 10 pp, 102 K)  Not Available No None None
146 Cobalt and Cobalt Compounds 1307-96-6  Not Available  Not Available Cobalt and Cobalt Compounds Support Documents No None None
147 Coke oven emissions None 19890501 May-01-1989 IRIS Summary for Coke oven emissions' (PDF 13 pp, 114 K)  Not Available Yes None Respiratory
148 Copper 7440-50-8 19880907 Sep-07-1988 IRIS Summary for Copper' (PDF 7 pp, 87 K)  Not Available No None None
149 Copper cyanide 544-92-3 19880907 Sep-07-1988 IRIS Summary for Copper cyanide' (PDF 8 pp, 95 K)  Not Available No
Hepatic
Urinary
5 x 10 -3 mg/kg-day None
150 Creosote 8001-58-9 19880907 Sep-07-1988 IRIS Summary for Creosote' (PDF 8 pp, 92 K)  Not Available Yes None None
151 Crotonaldehyde 123-73-9 19910601 Jun-01-1991 IRIS Summary for Crotonaldehyde' (PDF 8 pp, 101 K)  Not Available No None None
152 Cumene 98-82-8 19970801 Aug-01-1997 IRIS Summary for Cumene' (PDF 22 pp, 155 K) Toxicological Review for NoneCumene (PDF 35 pp, 174 K) Yes
Endocrine
Urinary
1 x 10 -1 mg/kg-day 4 x 10 -1 mg/m3 None
153 Cyanazine 21725-46-2 19920701 Jul-01-1992 IRIS Summary for Cyanazine' (PDF 5 pp, 82 K)  Not Available Yes None None pesticide archive
154 Cyanide, free 57-12-5 20100928 Sep-28-2010 IRIS Summary for Cyanide, free' (PDF 27 pp, 243 K) Toxicological Review for NoneCyanide, free (PDF 153 pp, 905 K) Yes Reproductive
6.3 x 10 -4 mg/kg-day None
155 Cyanogen 460-19-5 20100928 Sep-28-2010 IRIS Summary for Cyanogen' (PDF 27 pp, 243 K) Toxicological Review for NoneCyanogen (PDF 153 pp, 910 K) Yes None 1 x 10 -3 mg/kg-day None
156 Cyanogen bromide 506-68-3 19880926 Sep-26-1988 IRIS Summary for Cyanogen bromide' (PDF 8 pp, 93 K)  Not Available No
Endocrine
Nervous
9 x 10 -2 mg/kg-day None
157 Cyclohexane 110-82-7 20030911 Sep-11-2003 IRIS Summary for Cyclohexane' (PDF 16 pp, 183 K) Toxicological Review for NoneCyclohexane (PDF 87 pp, 4.8 M) No Developmental
None
158 Cyclohexanone 108-94-1 19870930 Sep-30-1987 IRIS Summary for Cyclohexanone' (PDF 7 pp, 95 K)  Not Available Yes None 5 mg/kg-day None
159 Cyclohexylamine 108-91-8 19880907 Sep-07-1988 IRIS Summary for Cyclohexylamine' (PDF 7 pp, 90 K)  Not Available Yes Reproductive
2 x 10 -1 mg/kg-day None
160 Cyhalothrin/Karate 68085-85-8 19880630 Jun-30-1988 IRIS Summary for Cyhalothrin/Karate' (PDF 7 pp, 87 K)  Not Available Yes Developmental
5 x 10 -3 mg/kg-day None pesticide archive
161 Cypermethrin 52315-07-8 19890301 Mar-01-1989 IRIS Summary for Cypermethrin' (PDF 8 pp, 91 K)  Not Available No Gastrointestinal
1 x 10 -2 mg/kg-day None pesticide archive
162 Cyromazine 66215-27-8 19870930 Sep-30-1987 IRIS Summary for Cyromazine' (PDF 7 pp, 87 K)  Not Available No Hematologic
7.5 x 10 -3 mg/kg-day None pesticide archive
163 Dacthal 1861-32-1 19940801 Aug-01-1994 IRIS Summary for Dacthal' (PDF 17 pp, 132 K)  Not Available Yes
Endocrine
Hepatic
Ocular
Respiratory
Urinary
1 x 10 -2 mg/kg-day None pesticide
164 Dalapon, sodium salt 75-99-0 19880822 Aug-22-1988 IRIS Summary for Dalapon, sodium salt' (PDF 7 pp, 90 K)  Not Available Yes Urinary
3 x 10 -2 mg/kg-day None pesticide
165 Danitol 39515-41-8 19941001 Oct-01-1994 IRIS Summary for Danitol' (PDF 14 pp, 116 K)  Not Available Yes Nervous
2.5 x 10 -2 mg/kg-day None pesticide
166 2,2',3,3',4,4',5,5',6,6'-Decabromodiphenyl ether (BDE-209) 1163-19-5 20080630 Jun-30-2008 IRIS Summary for 2,2',3,3',4,4',5,5',6,6'-Decabromodiphenyl ether (BDE-209)' (PDF 25 pp, 232 K) Toxicological Review for 2,2',3,3',4,4',5,5',6,6'-Decabromodiphenyl ether (BDE-209) (PDF 126 pp, 820 K) Yes Nervous
7 x 10 -3 mg/kg-day Hepatic
167 Demeton 8065-48-3 19870131 Jan-31-1987 IRIS Summary for Demeton' (PDF 8 pp, 92 K)  Not Available Yes Nervous
4 x 10 -5 mg/kg-day None pesticide
168 2,4-Diaminotoluene 95-80-7 19910301 Mar-01-1991 IRIS Summary for 2,4-Diaminotoluene' (PDF 6 pp, 92 K)  Not Available Yes None None
169 Diazomethane 334-88-3 19911101 Nov-01-1991 IRIS Summary for Diazomethane' (PDF 4 pp, 81 K)  Not Available Yes None None archive
170 Dibenz[a,h]anthracene 53-70-3 19901201 Dec-01-1990 IRIS Summary for Dibenz[a,h]anthracene' (PDF 12 pp, 114 K)  Not Available No None None
171 Dibenzofuran 132-64-9 19901001 Oct-01-1990 IRIS Summary for Dibenzofuran' (PDF 6 pp, 86 K)  Not Available Yes None None
172 1,2-Dibromo-3-chloropropane (DBCP) 96-12-8 19911001 Oct-01-1991 IRIS Summary for 1,2-Dibromo-3-chloropropane (DBCP)' (PDF 16 pp, 130 K)  Not Available Yes Reproductive
2 x 10 -4 mg/m3 None
173 1,4-Dibromobenzene 106-37-6 19870331 Mar-31-1987 IRIS Summary for 1,4-Dibromobenzene' (PDF 6 pp, 85 K)  Not Available No Hepatic
1 x 10 -2 mg/kg-day None
174 Dibromochloromethane 124-48-1 19920101 Jan-01-1992 IRIS Summary for Dibromochloromethane' (PDF 13 pp, 116 K)  Not Available Yes Hepatic
2 x 10 -2 mg/kg-day Hepatic
175 Dibromodichloromethane 594-18-3 19910301 Mar-01-1991 IRIS Summary for Dibromodichloromethane' (PDF 5 pp, 87 K)  Not Available No None None
176 p,p'-Dibromodiphenyl ether 2050-47-7 19900801 Aug-01-1990 IRIS Summary for p,p'-Dibromodiphenyl ether' (PDF 6 pp, 89 K)  Not Available No None None
177 1,2-Dibromoethane 106-93-4 20040729 Jul-29-2004 IRIS Summary for 1,2-Dibromoethane' (PDF 34 pp, 241 K) Toxicological Review for 1,2-Dibromoethane (PDF 240 pp, 3.73 M) No
Endocrine
Hepatic
Reproductive
Respiratory
9 x 10 -3 mg/kg-day 9 x 10 -3 mg/m3
Endocrine
Gastrointestinal
Reproductive
Respiratory
178 Dibutyl phthalate (DBP) 84-74-2 19901001 Oct-01-1990 IRIS Summary for Dibutyl phthalate (DBP)' (PDF 11 pp, 107 K)  Discontinued Yes None 1 x 10 -1 mg/kg-day None
179 Dicamba 1918-00-9 19880822 Aug-22-1988 IRIS Summary for Dicamba' (PDF 8 pp, 92 K)  Not Available Yes Developmental
3 x 10 -2 mg/kg-day None pesticide
180 Dichloroacetic acid 79-43-6 20030911 Sep-11-2003 IRIS Summary for Dichloroacetic acid' (PDF 40 pp, 324 K) Toxicological Review for NoneDichloroacetic acid (PDF 192 pp, 1.71 M) No
Hepatic
Nervous
Reproductive
Hepatic
181 1,2-Dichlorobenzene 95-50-1 19901101 Nov-01-1990 IRIS Summary for 1,2-Dichlorobenzene' (PDF 11 pp, 106 K)  Not Available No None 9 x 10 -2 mg/kg-day None
182 1,3-Dichlorobenzene 541-73-1 19900901 Sep-01-1990 IRIS Summary for 1,3-Dichlorobenzene' (PDF 6 pp, 82 K)  Not Available No None None
183 1,4-Dichlorobenzene 106-46-7 19940101 Jan-01-1994 IRIS Summary for 1,4-Dichlorobenzene' (PDF 11 pp, 115 K)  Not Available No Hepatic
8 x 10 -1 mg/m3 None
184 3,3'-Dichlorobenzidine 91-94-1 19911101 Nov-01-1991 IRIS Summary for 3,3'-Dichlorobenzidine' (PDF 11 pp, 112 K)  Not Available No None Reproductive
185 Dichlorodifluoromethane 75-71-8 19870131 Jan-31-1987 IRIS Summary for Dichlorodifluoromethane' (PDF 7 pp, 90 K)  Not Available No None 2 x 10 -1 mg/kg-day None
186 p,p'-Dichlorodiphenyl dichloroethane (DDD) 72-54-8 19880822 Aug-22-1988 IRIS Summary for p,p'-Dichlorodiphenyl dichloroethane (DDD)' (PDF 9 pp, 97 K)  Not Available Yes None Hepatic
pesticide
187 p,p'-Dichlorodiphenyldichloroethylene (DDE) 72-55-9 19880822 Aug-22-1988 IRIS Summary for p,p'-Dichlorodiphenyldichloroethylene (DDE)' (PDF 10 pp, 102 K)  Not Available Yes None Hepatic
188 p,p'-Dichlorodiphenyltrichloroethane (DDT) 50-29-3 19880822 Aug-22-1988 IRIS Summary for p,p'-Dichlorodiphenyltrichloroethane (DDT)' (PDF 17 pp, 133 K)  Not Available Yes Hepatic
5 x 10 -4 mg/kg-day Hepatic
pesticide
189 1,1-Dichloroethane 75-34-3 19901001 Oct-01-1990 IRIS Summary for 1,1-Dichloroethane' (PDF 10 pp, 102 K)  Not Available Yes None None
190 1,2-Dichloroethane 107-06-2 19870331 Mar-31-1987 IRIS Summary for 1,2-Dichloroethane' (PDF 11 pp, 108 K)  Not Available No None None
191 cis-1,2-Dichloroethylene 156-59-2 20100930 Sep-30-2010 IRIS Summary for cis-1,2-Dichloroethylene' (PDF 16 pp, 182 K) Toxicological Review for cis-1,2-Dichloroethylene (PDF 174 pp, 1.18 M) Yes Urinary
2 x 10 -3 mg/kg-day None
192 trans-1,2-Dichloroethylene 156-60-5 20100930 Sep-30-2010 IRIS Summary for trans-1,2-Dichloroethylene' (PDF 22 pp, 215 K) Toxicological Review for trans-1,2-Dichloroethylene (PDF 174 pp, 1.18 M) Yes Immune
2 x 10 -2 mg/kg-day None
193 1,1-Dichloroethylene (1,1-DCE) 75-35-4 20020813 Aug-13-2002 IRIS Summary for 1,1-Dichloroethylene (1,1-DCE)' (PDF 37 pp, 225 K) Toxicological Review for 1,1-Dichloroethylene (1,1-DCE) (PDF 72 pp, 531 K) No Hepatic
5 x 10 -2 mg/kg-day 2 x 10 -1 mg/m3 None
194 Dichloromethane 75-09-2 20111118 Nov-18-2011 IRIS Summary for Dichloromethane' (PDF 44 pp, 337 K) Toxicological Review for NoneDichloromethane (PDF 567 pp, 5.1 M) Yes Hepatic
6 x 10 -3 mg/kg-day 6 x 10 -1 mg/m3
Hepatic
Respiratory
195 2,4-Dichlorophenol 120-83-2 19870131 Jan-31-1987 IRIS Summary for 2,4-Dichlorophenol' (PDF 7 pp, 88 K)  Not Available Yes Immune
3 x 10 -3 mg/kg-day None
196 4-(2,4-Dichlorophenoxy)butyric acid (2,4-DB) 94-82-6 19870131 Jan-31-1987 IRIS Summary for 4-(2,4-Dichlorophenoxy)butyric acid (2,4-DB)' (PDF 7 pp, 88 K)  Not Available Yes None 8 x 10 -3 mg/kg-day None pesticide archive
197 2,4-Dichlorophenoxyacetic acid (2,4-D) 94-75-7 19870331 Mar-31-1987 IRIS Summary for 2,4-Dichlorophenoxyacetic acid (2,4-D)' (PDF 9 pp, 100 K)  Not Available Yes
Hematologic
Hepatic
Urinary
1 x 10 -2 mg/kg-day None pesticide
198 1,2-Dichloropropane 78-87-5 19911201 Dec-01-1991 IRIS Summary for 1,2-Dichloropropane' (PDF 15 pp, 33 K)  Not Available Yes Respiratory
None
199 2,3-Dichloropropanol 616-23-9 19901101 Nov-01-1990 IRIS Summary for 2,3-Dichloropropanol' (PDF 6 pp, 85 K)  Not Available No
Cardiovascular
Hepatic
Urinary
3 x 10 -3 mg/kg-day None
200 1,3-Dichloropropene 542-75-6 20000525 May-25-2000 IRIS Summary for 1,3-Dichloropropene' (PDF 34 pp, 213 K) Toxicological Review for 1,3-Dichloropropene (PDF 83 pp, 394 K) Yes
Gastrointestinal
Respiratory
3 x 10 -2 mg/kg-day 2 x 10 -2 mg/m3
Hepatic
Respiratory
Urinary
201 Dichlorvos 62-73-7 19940601 Jun-01-1994 IRIS Summary for Dichlorvos' (PDF 33 pp, 201 K)  Not Available Yes Nervous
5 x 10 -4 mg/kg-day 5 x 10 -4 mg/m3
Endocrine
Gastrointestinal
Hematologic
pesticide
202 Dicofol 115-32-2 19920401 Apr-01-1992 IRIS Summary for Dicofol' (PDF 4 pp, 78 K)  Not Available Yes None None pesticide archive
203 Dieldrin 60-57-1 19880907 Sep-07-1988 IRIS Summary for Dieldrin' (PDF 18 pp, 135 K)  Not Available Yes Hepatic
5 x 10 -5 mg/kg-day Hepatic
204 Diesel engine exhaust None 20030228 Feb-28-2003 IRIS Summary for Diesel engine exhaust' (PDF 36 pp, 297 K)  Not Available No Respiratory
5 x 10 -3 mg/m3 None
205 Diethyl phthalate (DEP) 84-66-2 19880907 Sep-07-1988 IRIS Summary for Diethyl phthalate (DEP)' (PDF 10 pp, 103 K)  Discontinued Yes None 8 x 10 -1 mg/kg-day None
206 Diethyl sulfate 64-67-5 19911101 Nov-01-1991 IRIS Summary for Diethyl sulfate' (PDF 4 pp, 84 K)  Not Available Yes None None archive
207 Diethyl-p-nitrophenylphosphate 311-45-5 19921001 Oct-01-1992 IRIS Summary for Diethyl-p-nitrophenylphosphate' (PDF 7 pp, 94 K)  Not Available No None None
208 Diethylene glycol dinitrate (DEGDN) 693-21-0 19930201 Feb-01-1993 IRIS Summary for Diethylene glycol dinitrate (DEGDN)' (PDF 6 pp, 91 K)  Not Available No None None
209 Di(2-ethylhexyl)adipate 103-23-1 19920701 Jul-01-1992 IRIS Summary for Di(2-ethylhexyl)adipate' (PDF 17 pp, 135 K)  Not Available No
Developmental
Hepatic
Musculoskeletal
Urinary
6 x 10 -1 mg/kg-day Hepatic
210 Di (2-ethylhexyl)phthalate (DEHP) 117-81-7 19880907 Sep-07-1988 IRIS Summary for Di (2-ethylhexyl)phthalate (DEHP)' (PDF 14 pp, 121 K)  Not Available No Hepatic
2 x 10 -2 mg/kg-day Hepatic
211 Difenzoquat 43222-48-6 19880822 Aug-22-1988 IRIS Summary for Difenzoquat' (PDF 7 pp, 87 K)  Not Available Yes None 8 x 10 -2 mg/kg-day None pesticide archive
212 Diflubenzuron 35367-38-5 19870930 Sep-30-1987 IRIS Summary for Diflubenzuron' (PDF 7 pp, 88 K)  Not Available No Hematologic
2 x 10 -2 mg/kg-day None pesticide
213 1,1-Difluoroethane 75-37-6 19940901 Sep-01-1994 IRIS Summary for 1,1-Difluoroethane' (PDF 11 pp, 115 K)  Not Available No None 4 x 10 1 mg/m3 None
214 Diisobutyl phthalate (DIBP) 84-69-5  Discontinued  Discontinued No None None
215 Diisononyl phthalate (DINP) 28553-12-0  Discontinued  Discontinued No None None
216 Diisopropyl methylphosphonate (DIMP) 1445-75-6 19890401 Apr-01-1989 IRIS Summary for Diisopropyl methylphosphonate (DIMP)' (PDF 12 pp, 111 K)  Not Available Yes None 8 x 10 -2 mg/kg-day None
217 Dimethipin 55290-64-7 19900501 May-01-1990 IRIS Summary for Dimethipin' (PDF 12 pp, 110 K)  Not Available Yes Hepatic
2 x 10 -2 mg/kg-day None pesticide archive
218 Dimethoate 60-51-5 19880822 Aug-22-1988 IRIS Summary for Dimethoate' (PDF 8 pp, 94 K)  Not Available Yes Nervous
2 x 10 -4 mg/kg-day None pesticide archive
219 Dimethyl phthalate 131-11-3 19900901 Sep-01-1990 IRIS Summary for Dimethyl phthalate' (PDF 8 pp, 93 K)  Not Available Yes None None
220 Dimethyl sulfate 77-78-1 19920101 Jan-01-1992 IRIS Summary for Dimethyl sulfate' (PDF 10 pp, 100 K)  Not Available Yes None None
221 Dimethyl terephthalate (DMT) 120-61-6 19870131 Jan-31-1987 IRIS Summary for Dimethyl terephthalate (DMT)' (PDF 7 pp, 89 K)  Not Available Yes Urinary
1 x 10 -1 mg/kg-day None
222 Dimethylamine 124-40-3 19910101 Jan-01-1991 IRIS Summary for Dimethylamine' (PDF 4 pp, 76 K)  Not Available Yes None None archive
223 N-N-Dimethylaniline 121-69-7 19870930 Sep-30-1987 IRIS Summary for N-N-Dimethylaniline' (PDF 7 pp, 89 K)  Not Available Yes
Hematologic
Immune
2 x 10 -3 mg/kg-day None
224 3,3-Dimethylbenzidine 119-93-7 19910701 Jul-01-1991 IRIS Summary for 3,3-Dimethylbenzidine' (PDF 5 pp, 88 K)  Not Available Yes None None archive
225 N,N-Dimethylformamide 68-12-2 19901001 Oct-01-1990 IRIS Summary for N,N-Dimethylformamide' (PDF 16 pp, 126 K)  Not Available Yes Hepatic
3 x 10 -2 mg/m3 None
226 2,4-Dimethylphenol 105-67-9 19901101 Nov-01-1990 IRIS Summary for 2,4-Dimethylphenol' (PDF 7 pp, 88 K)  Not Available Yes
Hematologic
Nervous
2 x 10 -2 mg/kg-day None
227 2,6-Dimethylphenol 576-26-1 19880907 Sep-07-1988 IRIS Summary for 2,6-Dimethylphenol' (PDF 6 pp, 86 K)  Not Available No
Hepatic
Immune
Urinary
6 x 10 -4 mg/kg-day None
228 3,4-Dimethylphenol 95-65-8 19880907 Sep-07-1988 IRIS Summary for 3,4-Dimethylphenol' (PDF 7 pp, 87 K)  Not Available No
Cardiovascular
Hepatic
Immune
Urinary
1 x 10 -3 mg/kg-day None
229 4,6-Dinitro-o-cyclohexyl phenol 131-89-5 19880822 Aug-22-1988 IRIS Summary for 4,6-Dinitro-o-cyclohexyl phenol' (PDF 7 pp, 90 K)  Not Available Yes Ocular
2 x 10 -3 mg/kg-day None
230 m-Dinitrobenzene 99-65-0 19910301 Mar-01-1991 IRIS Summary for m-Dinitrobenzene' (PDF 10 pp, 101 K)  Not Available No Immune
1 x 10 -4 mg/kg-day None
231 o-Dinitrobenzene 528-29-0 19920901 Sep-01-1992 IRIS Summary for o-Dinitrobenzene' (PDF 7 pp, 94 K)  Not Available No None None
232 2,4-Dinitrophenol 51-28-5 19911001 Oct-01-1991 IRIS Summary for 2,4-Dinitrophenol' (PDF 8 pp, 95 K)  Not Available No Ocular
2 x 10 -3 mg/kg-day None
233 2,4-Dinitrotoluene 121-14-2 19920601 Jun-01-1992 IRIS Summary for 2,4-Dinitrotoluene' (PDF 13 pp, 126 K)  Not Available Yes
Hematologic
Hepatic
Nervous
2 x 10 -3 mg/kg-day None
234 2,4-/2,6-Dinitrotoluene mixture Various 19900901 Sep-01-1990 IRIS Summary for 2,4-/2,6-Dinitrotoluene mixture' (PDF 12 pp, 110 K)  Not Available Yes None
Hepatic
Reproductive
235 Dinoseb 88-85-7 19890801 Aug-01-1989 IRIS Summary for Dinoseb' (PDF 12 pp, 111 K)  Not Available Yes Developmental
1 x 10 -3 mg/kg-day None pesticide
236 1,4-Dioxane 123-91-1 20130920 Sep-20-2013 IRIS Summary for 1,4-Dioxane' (PDF 32 pp, 291 K) Toxicological Review for 1,4-Dioxane (PDF 419 pp, 3.69 M) Yes
Hepatic
Nervous
Respiratory
Urinary

Gastrointestinal
Hepatic
Reproductive
Respiratory
Urinary
237 Diphenamid 957-51-7 19870930 Sep-30-1987 IRIS Summary for Diphenamid' (PDF 6 pp, 87 K)  Not Available Yes Hepatic
3 x 10 -2 mg/kg-day None pesticide
238 Diphenylamine 122-39-4 19870131 Jan-31-1987 IRIS Summary for Diphenylamine' (PDF 7 pp, 88 K)  Not Available Yes
Hepatic
Urinary
2.5 x 10 -2 mg/kg-day None pesticide archive
239 1,2-Diphenylhydrazine 122-66-7 19911101 Nov-01-1991 IRIS Summary for 1,2-Diphenylhydrazine' (PDF 11 pp, 107 K)  Not Available No None Hepatic
240 Diquat 2764-72-9 19870331 Mar-31-1987 IRIS Summary for Diquat' (PDF 8 pp, 93 K)  Not Available Yes Ocular
2.2 x 10 -3 mg/kg-day None pesticide
241 Disulfoton 298-04-4 19870331 Mar-31-1987 IRIS Summary for Disulfoton' (PDF 7 pp, 90 K)  Not Available Yes Nervous
4 x 10 -5 mg/kg-day None pesticide
242 1,4-Dithiane 505-29-3 19930301 Mar-01-1993 IRIS Summary for 1,4-Dithiane' (PDF 10 pp, 108 K)  Not Available No
Nervous
Respiratory
1 x 10 -2 mg/kg-day None
243 Diuron 330-54-1 19880822 Aug-22-1988 IRIS Summary for Diuron' (PDF 7 pp, 90 K)  Not Available Yes Hematologic
2 x 10 -3 mg/kg-day None pesticide
244 Dodine 2439-10-3 19870930 Sep-30-1987 IRIS Summary for Dodine' (PDF 7 pp, 88 K)  Not Available Yes Endocrine
4 x 10 -3 mg/kg-day None pesticide archive
245 Endosulfan 115-29-7 19941001 Oct-01-1994 IRIS Summary for Endosulfan' (PDF 15 pp, 122 K)  Not Available Yes
Cardiovascular
Urinary
6 x 10 -3 mg/kg-day None pesticide
246 Endothall 145-73-3 19870331 Mar-31-1987 IRIS Summary for Endothall' (PDF 7 pp, 90 K)  Not Available Yes Gastrointestinal
2 x 10 -2 mg/kg-day None pesticide
247 Endrin 72-20-8 19891001 Oct-01-1989 IRIS Summary for Endrin' (PDF 11 pp, 108 K)  Not Available Yes
Hepatic
Nervous
3 x 10 -4 mg/kg-day None pesticide
248 Epichlorohydrin 106-89-8 19920401 Apr-01-1992 IRIS Summary for Epichlorohydrin' (PDF 24 pp, 167 K)  Not Available Yes Respiratory
1 x 10 -3 mg/m3
Gastrointestinal
Respiratory
249 1,2-Epoxybutane (EBU) 106-88-7 19920501 May-01-1992 IRIS Summary for 1,2-Epoxybutane (EBU)' (PDF 13 pp, 121 K)  Not Available Yes Respiratory
2 x 10 -2 mg/m3 None
250 Ethephon 16672-87-0 19880822 Aug-22-1988 IRIS Summary for Ethephon' (PDF 8 pp, 91 K)  Not Available Yes Nervous
5 x 10 -3 mg/kg-day None pesticide
251 Ethion 563-12-2 19890901 Sep-01-1989 IRIS Summary for Ethion' (PDF 9 pp, 96 K)  Not Available No Nervous
5 x 10 -4 mg/kg-day None pesticide
252 2-Ethoxyethanol 110-80-5 19910501 May-01-1991 IRIS Summary for 2-Ethoxyethanol' (PDF 11 pp, 113 K)  Not Available Yes
Hematologic
Reproductive
2 x 10 -1 mg/m3 None
253 Ethyl acetate 141-78-6 19870301 Mar-01-1987 IRIS Summary for Ethyl acetate' (PDF 6 pp, 87 K)  Not Available Yes None 9 x 10 -1 mg/kg-day None
254 Ethyl carbamate 51-79-6 19920401 Apr-01-1992 IRIS Summary for Ethyl carbamate' (PDF 4 pp, 83 K)  Not Available Yes None None archive
255 Ethyl chloride 75-00-3 19910401 Apr-01-1991 IRIS Summary for Ethyl chloride' (PDF 12 pp, 121 K)  Not Available No
Developmental
Musculoskeletal
1 x 10 1 mg/m3 None
256 S-Ethyl dipropylthiocarbamate (EPTC) 759-94-4 19870930 Sep-30-1987 IRIS Summary for S-Ethyl dipropylthiocarbamate (EPTC)' (PDF 7 pp, 88 K)  Not Available Yes Cardiovascular
2.5 x 10 -2 mg/kg-day None pesticide archive
257 Ethyl ether 60-29-7 19900901 Sep-01-1990 IRIS Summary for Ethyl ether' (PDF 7 pp, 89 K)  Not Available Yes None 2 x 10 -1 mg/kg-day None
258 Ethyl p-nitrophenyl phenylphosphorothioate (EPN) 2104-64-5 19870930 Sep-30-1987 IRIS Summary for Ethyl p-nitrophenyl phenylphosphorothioate (EPN)' (PDF 7 pp, 90 K)  Not Available Yes Nervous
1 x 10 -5 mg/kg-day None
259 Ethyl Tertiary Butyl Ether (ETBE) 637-92-3 20210813 Aug-13-2021 IRIS Summary for Ethyl Tertiary Butyl Ether (ETBE)' (PDF 8 pp, 298 K) Toxicological Review for NoneEthyl Tertiary Butyl Ether (ETBE) (PDF 200 pp, 4.29 M)
Ethyl Tertiary Butyl Ether (ETBE) Support Documents
No Urinary
Hepatic
260 Ethylbenzene 100-41-4 19910301 Mar-01-1991 IRIS Summary for Ethylbenzene' (PDF 21 pp, 148 K)  Not Available No
Developmental
Hepatic
Urinary
1 x 10 -1 mg/kg-day 1 mg/m3 None
261 Ethylene diamine 107-15-3 19921101 Nov-01-1992 IRIS Summary for Ethylene diamine' (PDF 9 pp, 105 K)  Not Available Yes None None
262 Ethylene glycol 107-21-1 19870930 Sep-30-1987 IRIS Summary for Ethylene glycol' (PDF 8 pp, 92 K)  Not Available Yes Urinary
2 mg/kg-day None
263 Ethylene glycol monobutyl ether (EGBE) (2-Butoxyethanol) 111-76-2 20100331 Mar-31-2010 IRIS Summary for Ethylene glycol monobutyl ether (EGBE) (2-Butoxyethanol)' (PDF 31 pp, 297 K) Toxicological Review for NoneEthylene glycol monobutyl ether (EGBE) (2-Butoxyethanol) (PDF 206 pp, 3.65 M) No Hematologic
1 x 10 -1 mg/kg-day 1.6 mg/m3 None
264 Ethylene oxide 75-21-8 20161216 Dec-16-2016 IRIS Summary for Ethylene oxide' (PDF 9 pp, 207 K) Toxicological Review for NoneEthylene oxide (PDF 228 pp, 1.84 M)
Ethylene oxide Support Documents
No None
Immune
Reproductive
265 Ethylene thiourea (ETU) 96-45-7 19910501 May-01-1991 IRIS Summary for Ethylene thiourea (ETU)' (PDF 10 pp, 105 K)  Not Available Yes Endocrine
8 x 10 -5 mg/kg-day None
266 Ethyleneimine 151-56-4 19920401 Apr-01-1992 IRIS Summary for Ethyleneimine' (PDF 4 pp, 84 K)  Not Available Yes None None archive
267 Ethylphthalyl ethylglycolate (EPEG) 84-72-0 19870131 Jan-31-1987 IRIS Summary for Ethylphthalyl ethylglycolate (EPEG)' (PDF 6 pp, 86 K)  Not Available No Urinary
3 mg/kg-day None
268 Express 101200-48-0 19890101 Jan-01-1989 IRIS Summary for Express' (PDF 8 pp, 91 K)  Not Available Yes Urinary
8 x 10 -3 mg/kg-day None pesticide
269 Fenamiphos 22224-92-6 19870930 Sep-30-1987 IRIS Summary for Fenamiphos' (PDF 7 pp, 89 K)  Not Available Yes Nervous
2.5 x 10 -4 mg/kg-day None pesticide
270 Fluometuron 2164-17-2 19870930 Sep-30-1987 IRIS Summary for Fluometuron' (PDF 7 pp, 88 K)  Not Available Yes None 1.3 x 10 -2 mg/kg-day None pesticide
271 Fluoranthene 206-44-0 19901201 Dec-01-1990 IRIS Summary for Fluoranthene' (PDF 12 pp, 109 K)  Not Available No
Hepatic
Urinary
4 x 10 -2 mg/kg-day None
272 Fluorene 86-73-7 19901201 Dec-01-1990 IRIS Summary for Fluorene' (PDF 11 pp, 106 K)  Not Available No Hematologic
4 x 10 -2 mg/kg-day None
273 Fluorine (soluble fluoride) 7782-41-4 19870131 Jan-31-1987 IRIS Summary for Fluorine (soluble fluoride)' (PDF 7 pp, 90 K)  Not Available Yes Gastrointestinal
6 x 10 -2 mg/kg-day None
274 Fluridone 59756-60-4 19880822 Aug-22-1988 IRIS Summary for Fluridone' (PDF 7 pp, 89 K)  Not Available Yes
Ocular
Reproductive
Urinary
8 x 10 -2 mg/kg-day None pesticide
275 Flurprimidol 56425-91-3 19890701 Jul-01-1989 IRIS Summary for Flurprimidol' (PDF 9 pp, 96 K)  Not Available Yes Hepatic
2 x 10 -2 mg/kg-day None pesticide archive
276 Flutolanil 66332-96-5 19890501 May-01-1989 IRIS Summary for Flutolanil' (PDF 7 pp, 90 K)  Not Available Yes
Hepatic
Reproductive
6 x 10 -2 mg/kg-day None pesticide archive
277 Fluvalinate 69409-94-5 19880630 Jun-30-1988 IRIS Summary for Fluvalinate' (PDF 7 pp, 88 K)  Not Available Yes Dermal
1 x 10 -2 mg/kg-day None pesticide
278 Folpet 133-07-3 19880822 Aug-22-1988 IRIS Summary for Folpet' (PDF 13 pp, 115 K)  Not Available Yes Hepatic
1 x 10 -1 mg/kg-day Gastrointestinal
pesticide archive
279 Fomesafen 72178-02-0 19880822 Aug-22-1988 IRIS Summary for Fomesafen' (PDF 8 pp, 95 K)  Not Available Yes None Hepatic
pesticide archive
280 Fonofos 944-22-9 19870331 Mar-31-1987 IRIS Summary for Fonofos' (PDF 7 pp, 87 K)  Not Available Yes
Hepatic
Nervous
2 x 10 -3 mg/kg-day None pesticide
281 Formaldehyde 50-00-0 19900901 Sep-01-1990 IRIS Summary for Formaldehyde' (PDF 17 pp, 133 K)  Not Available Formaldehyde Support Documents No
Gastrointestinal
Urinary
2 x 10 -1 mg/kg-day Respiratory
282 Formic acid 64-18-6 19901201 Dec-01-1990 IRIS Summary for Formic acid' (PDF 4 pp, 77 K)  Not Available Yes None None archive
283 Fosetyl-al 39148-24-8 19880822 Aug-22-1988 IRIS Summary for Fosetyl-al' (PDF 11 pp, 105 K)  Not Available Yes Reproductive
3 mg/kg-day None pesticide archive
284 Furan 110-00-9 19870131 Jan-31-1987 IRIS Summary for Furan' (PDF 7 pp, 89 K)  Not Available Yes Hepatic
1 x 10 -3 mg/kg-day None
285 Furfural 98-01-1 19880907 Sep-07-1988 IRIS Summary for Furfural' (PDF 7 pp, 88 K)  Not Available Yes Hepatic
3 x 10 -3 mg/kg-day None pesticide
286 Furmecyclox 60568-05-0 19880907 Sep-07-1988 IRIS Summary for Furmecyclox' (PDF 8 pp, 94 K)  Not Available Yes None Hepatic
287 Glufosinate-ammonium 77182-82-2 19870930 Sep-30-1987 IRIS Summary for Glufosinate-ammonium' (PDF 7 pp, 88 K)  Not Available Yes Urinary
4 x 10 -4 mg/kg-day None pesticide archive
288 Glycidaldehyde 765-34-4 19910801 Aug-01-1991 IRIS Summary for Glycidaldehyde' (PDF 15 pp, 121 K)  Not Available No
Endocrine
Hematologic
Urinary
4 x 10 -4 mg/kg-day None
289 Glyphosate 1071-83-6 19891001 Oct-01-1989 IRIS Summary for Glyphosate' (PDF 10 pp, 102 K)  Not Available No
Developmental
Urinary
1 x 10 -1 mg/kg-day None pesticide
290 Haloxyfop-methyl 69806-40-2 19900501 May-01-1990 IRIS Summary for Haloxyfop-methyl' (PDF 12 pp, 115 K)  Not Available Yes
Reproductive
Urinary
5 x 10 -5 mg/kg-day None pesticide
291 Harmony 79277-27-3 19880926 Sep-26-1988 IRIS Summary for Harmony' (PDF 7 pp, 88 K)  Not Available Yes None 1.3 x 10 -2 mg/kg-day None pesticide archive
292 Heptachlor 76-44-8 19870930 Sep-30-1987 IRIS Summary for Heptachlor' (PDF 14 pp, 122 K)  Not Available Yes Hepatic
5 x 10 -4 mg/kg-day Hepatic
pesticide
293 Heptachlor epoxide 1024-57-3 19870930 Sep-30-1987 IRIS Summary for Heptachlor epoxide' (PDF 14 pp, 121 K)  Not Available Yes Hepatic
1.3 x 10 -5 mg/kg-day Hepatic
pesticide
294 n-Heptane 142-82-5 19930101 Jan-01-1993 IRIS Summary for n-Heptane' (PDF 6 pp, 89 K)  Not Available Yes None None
295 Hexabromobenzene 87-82-1 19870331 Mar-31-1987 IRIS Summary for Hexabromobenzene' (PDF 7 pp, 90 K)  Not Available No Hepatic
2 x 10 -3 mg/kg-day None
296 Hexabromocyclododecane (HBCD) 3194-55-6  Discontinued  Discontinued No None None
297 2,2',4,4',5,5'-Hexabromodiphenyl ether (BDE-153) 68631-49-2 20080630 Jun-30-2008 IRIS Summary for 2,2',4,4',5,5'-Hexabromodiphenyl ether (BDE-153)' (PDF 15 pp, 166 K) Toxicological Review for 2,2',4,4',5,5'-Hexabromodiphenyl ether (BDE-153) (PDF 66 pp, 301 K) No Nervous
2 x 10 -4 mg/kg-day None
298 Hexabromodiphenyl ether 36483-60-0 19900801 Aug-01-1990 IRIS Summary for Hexabromodiphenyl ether' (PDF 6 pp, 82 K)  Not Available Yes None None
299 Hexachlorobenzene 118-74-1 19910301 Mar-01-1991 IRIS Summary for Hexachlorobenzene' (PDF 16 pp, 129 K)  Not Available Yes Hepatic
8 x 10 -4 mg/kg-day Hepatic
300 Hexachlorobutadiene 87-68-3 19930501 May-01-1993 IRIS Summary for Hexachlorobutadiene' (PDF 9 pp, 100 K)  Not Available No None Urinary
301 alpha-Hexachlorocyclohexane (alpha-HCH) 319-84-6 19870331 Mar-31-1987 IRIS Summary for alpha-Hexachlorocyclohexane (alpha-HCH)' (PDF 10 pp, 104 K)  Not Available Yes None Hepatic
302 beta-Hexachlorocyclohexane (beta-HCH) 319-85-7 19870930 Sep-30-1987 IRIS Summary for beta-Hexachlorocyclohexane (beta-HCH)' (PDF 9 pp, 98 K)  Not Available Yes None Hepatic
303 delta-Hexachlorocyclohexane (delta-HCH) 319-86-8 19870331 Mar-31-1987 IRIS Summary for delta-Hexachlorocyclohexane (delta-HCH)' (PDF 6 pp, 85 K)  Not Available Yes None None
304 epsilon-Hexachlorocyclohexane (epsilon-HC) 6108-10-7 19870331 Mar-31-1987 IRIS Summary for epsilon-Hexachlorocyclohexane (epsilon-HC)' (PDF 5 pp, 81 K)  Not Available Yes None None
305 gamma-Hexachlorocyclohexane (gamma-HCH) 58-89-9 19870131 Jan-31-1987 IRIS Summary for gamma-Hexachlorocyclohexane (gamma-HCH)' (PDF 10 pp, 103 K)  Not Available No
Hepatic
Urinary
3 x 10 -4 mg/kg-day None pesticide
306 technical Hexachlorocyclohexane (t-HCH) 608-73-1 19870331 Mar-31-1987 IRIS Summary for technical Hexachlorocyclohexane (t-HCH)' (PDF 9 pp, 101 K)  Not Available Yes None Hepatic
pesticide
307 Hexachlorocyclopentadiene (HCCPD) 77-47-4 20010705 Jul-05-2001 IRIS Summary for Hexachlorocyclopentadiene (HCCPD)' (PDF 25 pp, 172 K) Toxicological Review for NoneHexachlorocyclopentadiene (HCCPD) (PDF 60 pp, 237 K) Yes
Gastrointestinal
Respiratory
6 x 10 -3 mg/kg-day 2 x 10 -4 mg/m3 None
308 Hexachlorodibenzo-p-dioxin (HxCDD), mixture of 1,2,3,6,7,8-HxCDD and 1,2,3,7,8,9-HxCDD 57653-85-7 19870331 Mar-31-1987 IRIS Summary for Hexachlorodibenzo-p-dioxin (HxCDD), mixture of 1,2,3,6,7,8-HxCDD and 1,2,3,7,8,9-HxCDD' (PDF 10 pp, 102 K)  Not Available Yes None Hepatic
309 Hexachloroethane 67-72-1 20110923 Sep-23-2011 IRIS Summary for Hexachloroethane' (PDF 34 pp, 308 K) Toxicological Review for NoneHexachloroethane (PDF 200 pp, 1.61 M) Yes
Nervous
Urinary
7 x 10 -4 mg/kg-day 3 x 10 -2 mg/m3 Urinary
310 Hexachlorophene 70-30-4 19880822 Aug-22-1988 IRIS Summary for Hexachlorophene' (PDF 8 pp, 93 K)  Not Available Yes
Gastrointestinal
Nervous
3 x 10 -4 mg/kg-day None
311 Hexahydro-1,3,5-trinitro-1,3,5-triazine (RDX) 121-82-4 20180830 Aug-30-2018 IRIS Summary for Hexahydro-1,3,5-trinitro-1,3,5-triazine (RDX)' (PDF 7 pp, 896 K) Toxicological Review for NoneHexahydro-1,3,5-trinitro-1,3,5-triazine (RDX) (PDF 187 pp, 2.6 M)
Hexahydro-1,3,5-trinitro-1,3,5-triazine (RDX) Support Documents
No
Nervous
Reproductive
Urinary
4 x 10 -3 mg/kg-day
Hepatic
Respiratory
312 1,6-Hexamethylene diisocyanate 822-06-0 19940901 Sep-01-1994 IRIS Summary for 1,6-Hexamethylene diisocyanate' (PDF 14 pp, 126 K)  Not Available Yes
Nervous
Respiratory
1 x 10 -5 mg/m3 None
313 n-Hexane 110-54-3 20051223 Dec-23-2005 IRIS Summary for n-Hexane' (PDF 28 pp, 188 K) Toxicological Review for n-Hexane (PDF 210 pp, 1.4 M) Yes Nervous
7 x 10 -1 mg/m3 None
314 2-Hexanone 591-78-6 20090925 Sep-25-2009 IRIS Summary for 2-Hexanone' (PDF 19 pp, 148 K) Toxicological Review for 2-Hexanone (PDF 136 pp, 964 K) No Nervous
5 x 10 -3 mg/kg-day 3 x 10 -2 mg/m3 None
315 Hexazinone 51235-04-2 19870930 Sep-30-1987 IRIS Summary for Hexazinone' (PDF 7 pp, 87 K)  Not Available Yes None 3.3 x 10 -2 mg/kg-day None pesticide
316 Hydrazine/Hydrazine sulfate 302-01-2 19880907 Sep-07-1988 IRIS Summary for Hydrazine/Hydrazine sulfate' (PDF 14 pp, 119 K)  Not Available Yes None
Hepatic
Respiratory
317 Hydrogen chloride 7647-01-0 19950701 Jul-01-1995 IRIS Summary for Hydrogen chloride' (PDF 10 pp, 102 K)  Not Available Yes Respiratory
2 x 10 -2 mg/m3 None
318 Hydrogen Cyanide and Cyanide Salts Various 20100928 Sep-28-2010 IRIS Summary for Hydrogen Cyanide and Cyanide Salts' (PDF 27 pp, 243 K) Toxicological Review for NoneHydrogen Cyanide and Cyanide Salts (PDF 153 pp, 905 K) No
Endocrine
Reproductive
6 x 10 -4 mg/kg-day 8 x 10 -4 mg/m3 None
319 Hydrogen sulfide 7783-06-4 20030728 Jul-28-2003 IRIS Summary for Hydrogen sulfide' (PDF 18 pp, 140 K) Toxicological Review for NoneHydrogen sulfide (PDF 74 pp, 1.44 M) No
Nervous
Respiratory
2 x 10 -3 mg/m3 None
320 Hydroquinone 123-31-9 19901001 Oct-01-1990 IRIS Summary for Hydroquinone' (PDF 5 pp, 86 K)  Not Available Yes None None archive
321 Imazalil 35554-44-0 19870331 Mar-31-1987 IRIS Summary for Imazalil' (PDF 6 pp, 86 K)  Not Available Yes None 1.3 x 10 -2 mg/kg-day None pesticide archive
322 Imazaquin 81335-37-7 19870131 Jan-31-1987 IRIS Summary for Imazaquin' (PDF 7 pp, 86 K)  Not Available Yes
Hematologic
Hepatic
Immune
2.5 x 10 -1 mg/kg-day None pesticide
323 Indeno[1,2,3-cd]pyrene 193-39-5 19901201 Dec-01-1990 IRIS Summary for Indeno[1,2,3-cd]pyrene' (PDF 9 pp, 102 K)  Not Available No None None
324 Iprodione 36734-19-7 19880630 Jun-30-1988 IRIS Summary for Iprodione' (PDF 7 pp, 88 K)  Not Available Yes
Hematologic
Reproductive
4 x 10 -2 mg/kg-day None pesticide
325 Isobutyl alcohol 78-83-1 19870331 Mar-31-1987 IRIS Summary for Isobutyl alcohol' (PDF 7 pp, 90 K)  Not Available Yes Nervous
3 x 10 -1 mg/kg-day None
326 Isophorone 78-59-1 19921001 Oct-01-1992 IRIS Summary for Isophorone' (PDF 15 pp, 125 K)  Not Available Yes Urinary
2 x 10 -1 mg/kg-day Reproductive
327 Isopropalin 33820-53-0 19870131 Jan-31-1987 IRIS Summary for Isopropalin' (PDF 7 pp, 88 K)  Not Available Yes Hematologic
1.5 x 10 -2 mg/kg-day None
328 Isopropyl methyl phosphonic acid (IMPA) 1832-54-8 19920601 Jun-01-1992 IRIS Summary for Isopropyl methyl phosphonic acid (IMPA)' (PDF 12 pp, 118 K)  Not Available No None 1 x 10 -1 mg/kg-day None
329 Isoxaben 82558-50-7 19910901 Sep-01-1991 IRIS Summary for Isoxaben' (PDF 12 pp, 110 K)  Not Available Yes
Cardiovascular
Hepatic
Urinary
5 x 10 -2 mg/kg-day None pesticide
330 Lactofen 77501-63-4 19880630 Jun-30-1988 IRIS Summary for Lactofen' (PDF 8 pp, 90 K)  Not Available Yes Hepatic
2 x 10 -3 mg/kg-day None pesticide archive
331 Lead and compounds (inorganic) 7439-92-1 20040708 Jul-08-2004 IRIS Summary for Lead and compounds (inorganic)' (PDF 15 pp, 128 K)  Not Available Yes None None
332 Libby Amphibole Asbestos 1318-09-8 20141208 Dec-08-2014 IRIS Summary for Libby Amphibole Asbestos' (PDF 36 pp, 359 K) Toxicological Review for NoneLibby Amphibole Asbestos (PDF 685 pp, 8.45 M)
Libby Amphibole Asbestos Support Documents
No Respiratory
9 x 10 -5 fiber/cc Respiratory
333 d-Limonene 5989-27-5 19931201 Dec-01-1993 IRIS Summary for d-Limonene' (PDF 8 pp, 92 K)  Not Available Yes None None pesticide
334 Linuron 330-55-2 19890801 Aug-01-1989 IRIS Summary for Linuron' (PDF 13 pp, 111 K)  Not Available Yes Hematologic
2 x 10 -3 mg/kg-day None pesticide archive
335 Londax 83055-99-6 19880907 Sep-07-1988 IRIS Summary for Londax' (PDF 8 pp, 91 K)  Not Available Yes Hepatic
2 x 10 -1 mg/kg-day None pesticide
336 Malathion 121-75-5 19870930 Sep-30-1987 IRIS Summary for Malathion' (PDF 8 pp, 93 K)  Not Available Yes Nervous
2 x 10 -2 mg/kg-day None pesticide
337 Maleic anhydride 108-31-6 19880822 Aug-22-1988 IRIS Summary for Maleic anhydride' (PDF 8 pp, 91 K)  Not Available Yes Urinary
1 x 10 -1 mg/kg-day None
338 Maleic hydrazide 123-33-1 19870331 Mar-31-1987 IRIS Summary for Maleic hydrazide' (PDF 7 pp, 90 K)  Not Available Yes Urinary
5 x 10 -1 mg/kg-day None pesticide
339 Maneb 12427-38-2 19880907 Sep-07-1988 IRIS Summary for Maneb' (PDF 8 pp, 93 K)  Not Available Yes Endocrine
5 x 10 -3 mg/kg-day None pesticide
340 Manganese 7439-96-5 19951101 Nov-01-1995 IRIS Summary for Manganese' (PDF 48 pp, 265 K)  Not Available Manganese Support Documents Yes Nervous
1.4 x 10 -1 mg/kg-day 5 x 10 -5 mg/m3 None
341 Mepiquat chloride 24307-26-4 19880822 Aug-22-1988 IRIS Summary for Mepiquat chloride' (PDF 7 pp, 87 K)  Not Available Yes
Hematologic
Nervous
3 x 10 -2 mg/kg-day None pesticide
342 Mercuric chloride (HgCl2) 7487-94-7 19950501 May-01-1995 IRIS Summary for Mercuric chloride (HgCl2)' (PDF 21 pp, 156 K)  Not Available Yes
Immune
Urinary
3 x 10 -4 mg/kg-day None
343 Mercury, elemental 7439-97-6 19950601 Jun-01-1995 IRIS Summary for Mercury, elemental' (PDF 28 pp, 177 K)  Not Available Yes Nervous
3 x 10 -4 mg/m3 None
344 Merphos 150-50-5 19921101 Nov-01-1992 IRIS Summary for Merphos' (PDF 8 pp, 92 K)  Not Available Yes Nervous
3 x 10 -5 mg/kg-day None pesticide
345 Merphos oxide 78-48-8 19921101 Nov-01-1992 IRIS Summary for Merphos oxide' (PDF 8 pp, 92 K)  Not Available Yes Nervous
3 x 10 -5 mg/kg-day None pesticide archive
346 Metalaxyl 57837-19-1 19870131 Jan-31-1987 IRIS Summary for Metalaxyl' (PDF 8 pp, 92 K)  Not Available Yes Hepatic
6 x 10 -2 mg/kg-day None pesticide
347 Methacrylonitrile 126-98-7 19880907 Sep-07-1988 IRIS Summary for Methacrylonitrile' (PDF 7 pp, 88 K)  Not Available Yes Hepatic
1 x 10 -4 mg/kg-day None
348 Methamidophos 10265-92-6 19870930 Sep-30-1987 IRIS Summary for Methamidophos' (PDF 7 pp, 88 K)  Not Available Yes Nervous
5 x 10 -5 mg/kg-day None pesticide
349 Methanol 67-56-1 20130930 Sep-30-2013 IRIS Summary for Methanol' (PDF 6 pp, 86 K) Toxicological Review for NoneMethanol (PDF 212 pp, 3.46 M) No
Developmental
Nervous
2 mg/kg-day 2 x 10 1 mg/m3 None
350 Methidathion 950-37-8 19890501 May-01-1989 IRIS Summary for Methidathion' (PDF 10 pp, 103 K)  Not Available No Hepatic
1 x 10 -3 mg/kg-day None pesticide archive
351 Methomyl 16752-77-5 19870131 Jan-31-1987 IRIS Summary for Methomyl' (PDF 8 pp, 93 K)  Not Available Yes
Immune
Urinary
2.5 x 10 -2 mg/kg-day None pesticide
352 Methoxychlor 72-43-5 19931201 Dec-01-1993 IRIS Summary for Methoxychlor' (PDF 26 pp, 168 K)  Not Available Yes Developmental
5 x 10 -3 mg/kg-day None pesticide
353 2-Methoxyethanol 109-86-4 19910501 May-01-1991 IRIS Summary for 2-Methoxyethanol' (PDF 13 pp, 124 K)  Not Available Yes Reproductive
2 x 10 -2 mg/m3 None
354 Methyl acrylate 96-33-3 19901201 Dec-01-1990 IRIS Summary for Methyl acrylate' (PDF 7 pp, 88 K)  Not Available Yes None None
355 Methyl chloride 74-87-3 20010717 Jul-17-2001 IRIS Summary for Methyl chloride' (PDF 23 pp, 165 K) Toxicological Review for NoneMethyl chloride (PDF 95 pp, 337 K) Yes Nervous
9 x 10 -2 mg/m3 None
356 Methyl chlorocarbonate 79-22-1 19890501 May-01-1989 IRIS Summary for Methyl chlorocarbonate' (PDF 4 pp, 77 K)  Not Available No None None archive
357 Methyl ethyl ketone (MEK) 78-93-3 20030926 Sep-26-2003 IRIS Summary for Methyl ethyl ketone (MEK)' (PDF 33 pp, 211 K) Toxicological Review for NoneMethyl ethyl ketone (MEK) (PDF 152 pp, 570 K) No
Developmental
Musculoskeletal
6 x 10 -1 mg/kg-day 5 mg/m3 None
358 Methyl iodide 74-88-4 19920901 Sep-01-1992 IRIS Summary for Methyl iodide' (PDF 4 pp, 81 K)  Not Available No None None archive
359 Methyl isobutyl ketone (MIBK) 108-10-1 20030425 Apr-25-2003 IRIS Summary for Methyl isobutyl ketone (MIBK)' (PDF 23 pp, 162 K) Toxicological Review for NoneMethyl isobutyl ketone (MIBK) (PDF 68 pp, 547 K) No
Developmental
Musculoskeletal
3 mg/m3 None
360 Methyl isocyanate 624-83-9 19910301 Mar-01-1991 IRIS Summary for Methyl isocyanate' (PDF 4 pp, 85 K)  Not Available Yes None None archive
361 Methyl methacrylate 80-62-6 19980302 Mar-02-1998 IRIS Summary for Methyl methacrylate' (PDF 31 pp, 204 K) Toxicological Review for NoneMethyl methacrylate (PDF 83 pp, 275 K) No
Nervous
Respiratory
1.4 mg/kg-day 7 x 10 -1 mg/m3 None
362 Methyl parathion 298-00-0 19870331 Mar-31-1987 IRIS Summary for Methyl parathion' (PDF 9 pp, 94 K)  Not Available No
Hematologic
Nervous
2.5 x 10 -4 mg/kg-day None pesticide
363 Methyl tert-butyl ether (MTBE) 1634-04-4 19930901 Sep-01-1993 IRIS Summary for Methyl tert-butyl ether (MTBE)' (PDF 25 pp, 170 K)  Not Available No
Hepatic
Ocular
Urinary
3 mg/m3 None
364 4-(2-Methyl-4-chlorophenoxy) butyric acid (MCPB) 94-81-5 19880926 Sep-26-1988 IRIS Summary for 4-(2-Methyl-4-chlorophenoxy) butyric acid (MCPB)' (PDF 7 pp, 89 K)  Not Available Yes
Hepatic
Reproductive
Urinary
1 x 10 -2 mg/kg-day None pesticide archive
365 2-(2-Methyl-4-chlorophenoxy)propionic acid (MCPP) 93-65-2 19890101 Jan-01-1989 IRIS Summary for 2-(2-Methyl-4-chlorophenoxy)propionic acid (MCPP)' (PDF 8 pp, 93 K)  Not Available Yes Urinary
1 x 10 -3 mg/kg-day None pesticide
366 2-Methyl-4-chlorophenoxyacetic acid (MCPA) 94-74-6 19870828 Aug-28-1987 IRIS Summary for 2-Methyl-4-chlorophenoxyacetic acid (MCPA)' (PDF 9 pp, 97 K)  Not Available Yes
Hepatic
Urinary
5 x 10 -4 mg/kg-day None pesticide
367 Methylene Diphenyl Diisocyanate (monomeric MDI) and polymeric MDI (PMDI) 101-68-8 19980207 Feb-07-1998 IRIS Summary for Methylene Diphenyl Diisocyanate (monomeric MDI) and polymeric MDI (PMDI)' (PDF 23 pp, 170 K) Toxicological Review for NoneMethylene Diphenyl Diisocyanate (monomeric MDI) and polymeric MDI (PMDI) (PDF 54 pp, 154 K) Yes
Nervous
Respiratory
6 x 10 -4 mg/m3 None
368 4,4'-Methylene bis(N,N'-dimethyl)aniline 101-61-1 19890801 Aug-01-1989 IRIS Summary for 4,4'-Methylene bis(N,N'-dimethyl)aniline' (PDF 10 pp, 104 K)  Not Available No None Endocrine
369 Methylmercury (MeHg) 22967-92-6 20010727 Jul-27-2001 IRIS Summary for Methylmercury (MeHg)' (PDF 44 pp, 258 K)  Not Available Yes
Developmental
Nervous
1 x 10 -4 mg/kg-day None
370 2-Methylnaphthalene 91-57-6 20031222 Dec-22-2003 IRIS Summary for 2-Methylnaphthalene' (PDF 21 pp, 158 K) Toxicological Review for 2-Methylnaphthalene (PDF 97 pp, 242 K) No Respiratory
4 x 10 -3 mg/kg-day None
371 2-Methylphenol 95-48-7 19920401 Apr-01-1992 IRIS Summary for 2-Methylphenol' (PDF 16 pp, 126 K)  Not Available Yes Nervous
5 x 10 -2 mg/kg-day None
372 3-Methylphenol 108-39-4 19920401 Apr-01-1992 IRIS Summary for 3-Methylphenol' (PDF 16 pp, 125 K)  Not Available Yes Nervous
5 x 10 -2 mg/kg-day None
373 4-Methylphenol 106-44-5 19920401 Apr-01-1992 IRIS Summary for 4-Methylphenol' (PDF 13 pp, 114 K)  Not Available Yes None None
374 Metolachlor 51218-45-2 19901001 Oct-01-1990 IRIS Summary for Metolachlor' (PDF 12 pp, 116 K)  Not Available No Reproductive
1.5 x 10 -1 mg/kg-day None pesticide
375 Metribuzin 21087-64-9 19931201 Dec-01-1993 IRIS Summary for Metribuzin' (PDF 14 pp, 117 K)  Not Available Yes
Hepatic
Urinary
2.5 x 10 -2 mg/kg-day None pesticide
376 Mirex 2385-85-5 19921001 Oct-01-1992 IRIS Summary for Mirex' (PDF 17 pp, 133 K)  Not Available No
Endocrine
Hepatic
2 x 10 -4 mg/kg-day None pesticide
377 Molinate 2212-67-1 19880926 Sep-26-1988 IRIS Summary for Molinate' (PDF 7 pp, 88 K)  Not Available Yes Reproductive
2 x 10 -3 mg/kg-day None pesticide
378 Molybdenum 7439-98-7 19921101 Nov-01-1992 IRIS Summary for Molybdenum' (PDF 11 pp, 106 K)  Not Available Yes Urinary
5 x 10 -3 mg/kg-day None
379 Monochloramine 10599-90-3 19940301 Mar-01-1994 IRIS Summary for Monochloramine' (PDF 19 pp, 149 K)  Not Available No None 1 x 10 -1 mg/kg-day None
380 Naled 300-76-5 19870331 Mar-31-1987 IRIS Summary for Naled' (PDF 7 pp, 90 K)  Not Available Yes Nervous
2 x 10 -3 mg/kg-day None pesticide
381 Naphthalene 91-20-3 19980917 Sep-17-1998 IRIS Summary for Naphthalene' (PDF 32 pp, 102 K) Toxicological Review for NoneNaphthalene (PDF 116 pp, 565 K) No
Nervous
Respiratory
2 x 10 -2 mg/kg-day 3 x 10 -3 mg/m3 None
382 Napropamide 15299-99-7 19890701 Jul-01-1989 IRIS Summary for Napropamide' (PDF 7 pp, 89 K)  Not Available Yes Reproductive
1 x 10 -1 mg/kg-day None pesticide archive
383 Nickel carbonyl 13463-39-3 19870930 Sep-30-1987 IRIS Summary for Nickel carbonyl' (PDF 7 pp, 88 K)  Not Available Yes None None
384 Nickel refinery dust None 19870930 Sep-30-1987 IRIS Summary for Nickel refinery dust' (PDF 10 pp, 104 K)  Not Available No None Respiratory
385 Nickel subsulfide 12035-72-2 19870930 Sep-30-1987 IRIS Summary for Nickel subsulfide' (PDF 11 pp, 109 K)  Not Available Yes None Respiratory
386 Nickel, soluble salts Various 19940801 Aug-01-1994 IRIS Summary for Nickel, soluble salts' (PDF 13 pp, 118 K)  Not Available No None 2 x 10 -2 mg/kg-day None
387 Nitrapyrin 1929-82-4 19920701 Jul-01-1992 IRIS Summary for Nitrapyrin' (PDF 4 pp, 76 K)  Not Available Yes None None pesticide archive
388 Nitrate 14797-55-8 19910501 May-01-1991 IRIS Summary for Nitrate' (PDF 12 pp, 106 K)  Not Available Yes Hematologic
1.6 mg/kg-day None
389 Nitric oxide 10102-43-9 19940901 Sep-01-1994 IRIS Summary for Nitric oxide' (PDF 5 pp, 80 K)  Not Available Yes None None
390 Nitrite 14797-65-0 19870131 Jan-31-1987 IRIS Summary for Nitrite' (PDF 7 pp, 90 K)  Not Available Yes Hematologic
1 x 10 -1 mg/kg-day None
391 Nitrobenzene 98-95-3 20090206 Feb-06-2009 IRIS Summary for Nitrobenzene' (PDF 30 pp, 257 K) Toxicological Review for NoneNitrobenzene (PDF 250 pp, 3.83 M) No
Hematologic
Nervous
Respiratory
2 x 10 -3 mg/kg-day 9 x 10 -3 mg/m3
Endocrine
Hepatic
Urinary
392 Nitrogen dioxide 10102-44-0 19940901 Sep-01-1994 IRIS Summary for Nitrogen dioxide' (PDF 5 pp, 82 K)  Not Available Yes None None
393 Nitroguanidine 556-88-7 19900901 Sep-01-1990 IRIS Summary for Nitroguanidine' (PDF 11 pp, 107 K)  Not Available Yes Developmental
1 x 10 -1 mg/kg-day None
394 p-Nitrophenol 100-02-7 19911001 Oct-01-1991 IRIS Summary for p-Nitrophenol' (PDF 5 pp, 87 K)  Not Available Yes None None pesticide archive
395 2-Nitropropane 79-46-9 19910301 Mar-01-1991 IRIS Summary for 2-Nitropropane' (PDF 10 pp, 110 K)  Not Available Yes Hepatic
2 x 10 -2 mg/m3 None
396 N-Nitroso-N-methylethylamine 10595-95-6 19880301 Mar-01-1988 IRIS Summary for N-Nitroso-N-methylethylamine' (PDF 9 pp, 96 K)  Not Available Yes None Hepatic
397 N-Nitroso-di-n-butylamine 924-16-3 19870131 Jan-31-1987 IRIS Summary for N-Nitroso-di-n-butylamine' (PDF 10 pp, 101 K)  Not Available Yes None
Gastrointestinal
Urinary
398 N-Nitrosodi-N-propylamine 621-64-7 19870331 Mar-31-1987 IRIS Summary for N-Nitrosodi-N-propylamine' (PDF 11 pp, 104 K)  Not Available Yes None Hepatic
399 N-Nitrosodiethanolamine 1116-54-7 19870930 Sep-30-1987 IRIS Summary for N-Nitrosodiethanolamine' (PDF 9 pp, 98 K)  Not Available Yes None Hepatic
400 N-Nitrosodiethylamine 55-18-5 19870131 Jan-31-1987 IRIS Summary for N-Nitrosodiethylamine' (PDF 11 pp, 106 K)  Not Available Yes None Hepatic
401 N-Nitrosodimethylamine 62-75-9 19870131 Jan-31-1987 IRIS Summary for N-Nitrosodimethylamine' (PDF 11 pp, 105 K)  Not Available Yes None Hepatic
402 N-Nitrosodiphenylamine 86-30-6 19870331 Mar-31-1987 IRIS Summary for N-Nitrosodiphenylamine' (PDF 10 pp, 102 K)  Not Available Yes None Urinary
403 N-Nitrosopyrrolidine 930-55-2 19870131 Jan-31-1987 IRIS Summary for N-Nitrosopyrrolidine' (PDF 10 pp, 102 K)  Not Available Yes None Hepatic
404 Nonabromodiphenyl ether 63936-56-1 19900801 Aug-01-1990 IRIS Summary for Nonabromodiphenyl ether' (PDF 5 pp, 87 K)  Not Available Yes None None
405 Norflurazon 27314-13-2 19870131 Jan-31-1987 IRIS Summary for Norflurazon' (PDF 7 pp, 88 K)  Not Available Yes
Endocrine
Hepatic
4 x 10 -2 mg/kg-day None pesticide archive
406 NuStar 85509-19-9 19880926 Sep-26-1988 IRIS Summary for NuStar' (PDF 7 pp, 89 K)  Not Available Yes Hepatic
7 x 10 -4 mg/kg-day None pesticide archive
407 Octabromodiphenyl ether 32536-52-0 19900801 Aug-01-1990 IRIS Summary for Octabromodiphenyl ether' (PDF 8 pp, 93 K)  Not Available Yes Hepatic
3 x 10 -3 mg/kg-day None
408 Octahydro-1,3,5,7-tetranitro-1,3,5,7-tetrazocine (HMX) 2691-41-0 19890301 Mar-01-1989 IRIS Summary for Octahydro-1,3,5,7-tetranitro-1,3,5,7-tetrazocine (HMX)' (PDF 11 pp, 107 K)  Not Available Yes Hepatic
5 x 10 -2 mg/kg-day None
409 Oryzalin 19044-88-3 19890701 Jul-01-1989 IRIS Summary for Oryzalin' (PDF 12 pp, 108 K)  Not Available Yes
Endocrine
Hepatic
Urinary
5 x 10 -2 mg/kg-day None pesticide archive
410 Oxadiazon 19666-30-9 19870930 Sep-30-1987 IRIS Summary for Oxadiazon' (PDF 7 pp, 87 K)  Not Available Yes
Hematologic
Hepatic
5 x 10 -3 mg/kg-day None pesticide
411 Oxamyl 23135-22-0 19870331 Mar-31-1987 IRIS Summary for Oxamyl' (PDF 7 pp, 88 K)  Not Available Yes None 2.5 x 10 -2 mg/kg-day None pesticide
412 Oxyfluorfen 42874-03-3 19870131 Jan-31-1987 IRIS Summary for Oxyfluorfen' (PDF 7 pp, 87 K)  Not Available Yes Hepatic
3 x 10 -3 mg/kg-day None pesticide archive
413 Paclobutrazol 76738-62-0 19870331 Mar-31-1987 IRIS Summary for Paclobutrazol' (PDF 7 pp, 87 K)  Not Available Yes Hepatic
1.3 x 10 -2 mg/kg-day None pesticide
414 Paraquat 1910-42-5 19880822 Aug-22-1988 IRIS Summary for Paraquat' (PDF 12 pp, 107 K)  Not Available Yes Respiratory
4.5 x 10 -3 mg/kg-day None pesticide
415 Parathion 56-38-2 19880822 Aug-22-1988 IRIS Summary for Parathion' (PDF 10 pp, 100 K)  Not Available Yes None None pesticide
416 Pendimethalin 40487-42-1 19880630 Jun-30-1988 IRIS Summary for Pendimethalin' (PDF 7 pp, 88 K)  Not Available No Hepatic
4 x 10 -2 mg/kg-day None pesticide archive
417 2,2',4,4',5-Pentabromodiphenyl ether (BDE-99) 60348-60-9 20080630 Jun-30-2008 IRIS Summary for 2,2',4,4',5-Pentabromodiphenyl ether (BDE-99)' (PDF 20 pp, 155 K) Toxicological Review for 2,2',4,4',5-Pentabromodiphenyl ether (BDE-99) (PDF 128 pp, 1.37 M) No Nervous
1 x 10 -4 mg/kg-day None
418 Pentabromodiphenyl ether 32534-81-9 19900801 Aug-01-1990 IRIS Summary for Pentabromodiphenyl ether' (PDF 9 pp, 96 K)  Not Available Yes Hepatic
2 x 10 -3 mg/kg-day None
419 Pentachlorobenzene 608-93-5 19921101 Nov-01-1992 IRIS Summary for Pentachlorobenzene' (PDF 10 pp, 101 K)  Not Available Yes
Hepatic
Urinary
8 x 10 -4 mg/kg-day None
420 Pentachlorocyclopentadiene 25329-35-5 19900301 Mar-01-1990 IRIS Summary for Pentachlorocyclopentadiene' (PDF 5 pp, 81 K)  Not Available No None None
421 Pentachloronitrobenzene (PCNB) 82-68-8 19870930 Sep-30-1987 IRIS Summary for Pentachloronitrobenzene (PCNB)' (PDF 7 pp, 89 K)  Not Available Yes Hepatic
3 x 10 -3 mg/kg-day None pesticide
422 Pentachlorophenol 87-86-5 20100930 Sep-30-2010 IRIS Summary for Pentachlorophenol' (PDF 27 pp, 261 K) Toxicological Review for NonePentachlorophenol (PDF 288 pp, 2.23 M) No Hepatic
5 x 10 -3 mg/kg-day
Endocrine
Hepatic
423 Pentafluoroethane 354-33-6 19931201 Dec-01-1993 IRIS Summary for Pentafluoroethane' (PDF 7 pp, 94 K)  Not Available Yes None None
424 Perchlorate (ClO4) and Perchlorate Salts 7790-98-9 20050218 Feb-18-2005 IRIS Summary for Perchlorate (ClO4) and Perchlorate Salts' (PDF 22 pp, 157 K)  Not Available Perchlorate (ClO4) and Perchlorate Salts Support Documents No Endocrine
7 x 10 -4 mg/kg-day None
425 Perfluorobutanoic Acid (PFBA) 375-22-4 20221222 Dec-22-2022 IRIS Summary for Perfluorobutanoic Acid (PFBA)' (PDF 6 pp, 364 K) Toxicological Review for NonePerfluorobutanoic Acid (PFBA) (PDF 146 pp, 2.86 M)
Perfluorobutanoic Acid (PFBA) Support Documents
No
Developmental
Endocrine
Hepatic
1 x 10 -3 mg/kg-day None
426 Perfluorodecanoic Acid (PFDA) 335-76-2  Not Available  Not Available No None None
427 Perfluorohexanesulfonic Acid (PFHxS) 355-46-4  Not Available  Not Available No None None
428 Perfluorohexanoic Acid (PFHxA) 307-24-4 20230410 Apr-10-2023 IRIS Summary for Perfluorohexanoic Acid (PFHxA)' (PDF 70 pp, 480 K) Toxicological Review for NonePerfluorohexanoic Acid (PFHxA) (PDF 250 pp, 1.3 M)
Perfluorohexanoic Acid (PFHxA) Support Documents
No
Developmental
Endocrine
Hematologic
Hepatic
5 x 10 -4 mg/kg-day 5 x 10 -4 mg/kg-day None
429 Permethrin 52645-53-1 19870331 Mar-31-1987 IRIS Summary for Permethrin' (PDF 7 pp, 88 K)  Not Available Yes Hepatic
5 x 10 -2 mg/kg-day None pesticide
430 Phenanthrene 85-01-8 19901201 Dec-01-1990 IRIS Summary for Phenanthrene' (PDF 11 pp, 103 K)  Not Available No None None
431 Phenmedipham 13684-63-4 19900601 Jun-01-1990 IRIS Summary for Phenmedipham' (PDF 8 pp, 100 K)  Not Available Yes None 2.5 x 10 -1 mg/kg-day None pesticide archive
432 Phenol 108-95-2 20020930 Sep-30-2002 IRIS Summary for Phenol' (PDF 31 pp, 194 K) Toxicological Review for NonePhenol (PDF 213 pp, 2.96 M) Yes None 3 x 10 -1 mg/kg-day None
433 m-Phenylenediamine 108-45-2 19870131 Jan-31-1987 IRIS Summary for m-Phenylenediamine' (PDF 7 pp, 87 K)  Not Available Yes Hepatic
6 x 10 -3 mg/kg-day None
434 Phenylmercuric acetate 62-38-4 19870131 Jan-31-1987 IRIS Summary for Phenylmercuric acetate' (PDF 7 pp, 90 K)  Not Available Yes Urinary
8 x 10 -5 mg/kg-day None
435 Phosalone 2310-17-0 19881201 Dec-01-1988 IRIS Summary for Phosalone' (PDF 4 pp, 77 K)  Not Available No None None pesticide archive
436 Phosgene 75-44-5 20060131 Jan-31-2006 IRIS Summary for Phosgene' (PDF 22 pp, 166 K) Toxicological Review for NonePhosgene (PDF 102 pp, 614 K) No Respiratory
3 x 10 -4 mg/m3 None
437 Phosmet 732-11-6 19870131 Jan-31-1987 IRIS Summary for Phosmet' (PDF 8 pp, 91 K)  Not Available Yes
Hepatic
Nervous
2 x 10 -2 mg/kg-day None pesticide
438 Phosphine 7803-51-2 19950701 Jul-01-1995 IRIS Summary for Phosphine' (PDF 146 pp, 20 K)  Not Available Yes None 3 x 10 -4 mg/kg-day 3 x 10 -4 mg/m3 None
439 Phosphoric acid 7664-38-2 19950801 Aug-01-1995 IRIS Summary for Phosphoric acid' (PDF 17 pp, 137 K)  Not Available No Respiratory
1 x 10 -2 mg/m3 None
440 Phthalic anhydride 85-44-9 19880907 Sep-07-1988 IRIS Summary for Phthalic anhydride' (PDF 7 pp, 88 K)  Not Available Yes
Respiratory
Urinary
2 mg/kg-day None
441 Picloram 1918-02-1 19870930 Sep-30-1987 IRIS Summary for Picloram' (PDF 7 pp, 88 K)  Not Available Yes Hepatic
7 x 10 -2 mg/kg-day None pesticide
442 Pirimiphos-methyl 29232-93-7 19870930 Sep-30-1987 IRIS Summary for Pirimiphos-methyl' (PDF 7 pp, 89 K)  Not Available Yes Nervous
1 x 10 -2 mg/kg-day None pesticide archive
443 Polychlorinated Biphenyls (PCBs) 1336-36-3 19961001 Oct-01-1996 IRIS Summary for Polychlorinated Biphenyls (PCBs)' (PDF 22 pp, 150 K)  Not Available No None Hepatic
444 Polycyclic aromatic hydrocarbon (PAH) mixtures Various  Suspended  Suspended No None None
445 Potassium cyanide 151-50-8 20100928 Sep-28-2010 IRIS Summary for Potassium cyanide' (PDF 27 pp, 243 K) Toxicological Review for NonePotassium cyanide (PDF 153 pp, 910 K) Yes Reproductive
2 x 10 -3 mg/kg-day None
446 Potassium silver cyanide 506-61-6 20100928 Sep-28-2010 IRIS Summary for Potassium silver cyanide' (PDF 27 pp, 243 K) Toxicological Review for NonePotassium silver cyanide (PDF 153 pp, 910 K) Yes Reproductive
5 x 10 -3 mg/kg-day None
447 Prochloraz 67747-09-5 19891001 Oct-01-1989 IRIS Summary for Prochloraz' (PDF 13 pp, 114 K)  Not Available Yes Hepatic
9 x 10 -3 mg/kg-day Hepatic
pesticide
448 Prometon 1610-18-0 19870131 Jan-31-1987 IRIS Summary for Prometon' (PDF 7 pp, 88 K)  Not Available Yes None 1.5 x 10 -2 mg/kg-day None pesticide
449 Prometryn 7287-19-6 19870930 Sep-30-1987 IRIS Summary for Prometryn' (PDF 7 pp, 89 K)  Not Available Yes
Hematologic
Hepatic
Immune
Urinary
4 x 10 -3 mg/kg-day None pesticide archive
450 Pronamide 23950-58-5 19870131 Jan-31-1987 IRIS Summary for Pronamide' (PDF 7 pp, 90 K)  Not Available Yes None 7.5 x 10 -2 mg/kg-day None pesticide
451 Propachlor 1918-16-7 19870131 Jan-31-1987 IRIS Summary for Propachlor' (PDF 7 pp, 88 K)  Not Available No Hepatic
1.3 x 10 -2 mg/kg-day None pesticide
452 Propanil 709-98-8 19880301 Mar-01-1988 IRIS Summary for Propanil' (PDF 7 pp, 89 K)  Not Available Yes Immune
5 x 10 -3 mg/kg-day None pesticide
453 Propargite 2312-35-8 19900501 May-01-1990 IRIS Summary for Propargite' (PDF 9 pp, 97 K)  Not Available Yes
Developmental
Musculoskeletal
2 x 10 -2 mg/kg-day None pesticide archive
454 Propargyl alcohol 107-19-7 19901101 Nov-01-1990 IRIS Summary for Propargyl alcohol' (PDF 6 pp, 94 K)  Not Available Yes
Hepatic
Urinary
2 x 10 -3 mg/kg-day None
455 Propazine 139-40-2 19870828 Aug-28-1987 IRIS Summary for Propazine' (PDF 7 pp, 88 K)  Not Available Yes None 2 x 10 -2 mg/kg-day None pesticide
456 Propham 122-42-9 19870930 Sep-30-1987 IRIS Summary for Propham' (PDF 6 pp, 86 K)  Not Available Yes
Immune
Nervous
2 x 10 -2 mg/kg-day None pesticide
457 Propiconazole 60207-90-1 19880822 Aug-22-1988 IRIS Summary for Propiconazole' (PDF 7 pp, 90 K)  Not Available Yes Gastrointestinal
1.3 x 10 -2 mg/kg-day None pesticide archive
458 beta-Propiolactone 57-57-8 19910701 Jul-01-1991 IRIS Summary for beta-Propiolactone' (PDF 5 pp, 88 K)  Not Available Yes None None archive
459 Propionaldehyde 123-38-6 20080930 Sep-30-2008 IRIS Summary for Propionaldehyde' (PDF 18 pp, 198 K) Toxicological Review for NonePropionaldehyde (PDF 78 pp, 559 K) No
Nervous
Respiratory
8 x 10 -3 mg/m3 None
460 Propylene glycol 57-55-6 19910601 Jun-01-1991 IRIS Summary for Propylene glycol' (PDF 5 pp, 89 K)  Not Available Yes None None pesticide archive
461 Propylene glycol monoethyl ether 52125-53-8 19910601 Jun-01-1991 IRIS Summary for Propylene glycol monoethyl ether' (PDF 4 pp, 84 K)  Not Available No None None archive
462 Propylene glycol monomethyl ether (PGME) 107-98-2 19910701 Jul-01-1991 IRIS Summary for Propylene glycol monomethyl ether (PGME)' (PDF 11 pp, 106 K)  Not Available Yes Nervous
2 mg/m3 None
463 Propylene oxide 75-56-9 19901101 Nov-01-1990 IRIS Summary for Propylene oxide' (PDF 22 pp, 157 K)  Not Available Yes Respiratory
3 x 10 -2 mg/m3
Gastrointestinal
Respiratory
464 Propyleneimine 75-55-8 19920101 Jan-01-1992 IRIS Summary for Propyleneimine' (PDF 4 pp, 82 K)  Not Available Yes None None archive
465 Pursuit 81335-77-5 19900101 Jan-01-1990 IRIS Summary for Pursuit' (PDF 7 pp, 87 K)  Not Available Yes Hematologic
2.5 x 10 -1 mg/kg-day None pesticide archive
466 Pydrin 51630-58-1 19870331 Mar-31-1987 IRIS Summary for Pydrin' (PDF 9 pp, 95 K)  Not Available Yes Nervous
2.5 x 10 -2 mg/kg-day None pesticide
467 Pyrene 129-00-0 19900901 Sep-01-1990 IRIS Summary for Pyrene' (PDF 13 pp, 119 K)  Not Available No Urinary
3 x 10 -2 mg/kg-day None
468 Pyridine 110-86-1 19870930 Sep-30-1987 IRIS Summary for Pyridine' (PDF 7 pp, 94 K)  Not Available Yes Hepatic
1 x 10 -3 mg/kg-day None
469 Quinalphos 13593-03-8 19870331 Mar-31-1987 IRIS Summary for Quinalphos' (PDF 7 pp, 87 K)  Not Available Yes None 5 x 10 -4 mg/kg-day None pesticide
470 Quinoline 91-22-5 20010927 Sep-27-2001 IRIS Summary for Quinoline' (PDF 23 pp, 158 K) Toxicological Review for NoneQuinoline (PDF 40 pp, 163 K) No None Hepatic
471 Quinone 106-51-4 19901001 Oct-01-1990 IRIS Summary for Quinone' (PDF 5 pp, 86 K)  Not Available Yes None None archive
472 Radium 226,228 Various 19890101 Jan-01-1989 IRIS Summary for Radium 226,228' (PDF 4 pp, 76 K)  Not Available Yes None None archive
473 Radon 222 14859-67-7 19890701 Jul-01-1989 IRIS Summary for Radon 222' (PDF 4 pp, 78 K)  Not Available Yes None None archive
474 Refractory ceramic fibers None 19920901 Sep-01-1992 IRIS Summary for Refractory ceramic fibers' (PDF 10 pp, 180 K)  Not Available No None None
475 Resmethrin 10453-86-8 19880926 Sep-26-1988 IRIS Summary for Resmethrin' (PDF 7 pp, 89 K)  Not Available Yes Reproductive
3 x 10 -2 mg/kg-day None pesticide
476 Rotenone 83-79-4 19880907 Sep-07-1988 IRIS Summary for Rotenone' (PDF 7 pp, 89 K)  Not Available Yes Developmental
4 x 10 -3 mg/kg-day None pesticide
477 Savey 78587-05-0 19880926 Sep-26-1988 IRIS Summary for Savey' (PDF 7 pp, 89 K)  Not Available Yes
Endocrine
Hematologic
2.5 x 10 -2 mg/kg-day None pesticide
478 Selenious acid 7783-00-8 19910601 Jun-01-1991 IRIS Summary for Selenious acid' (PDF 24 pp, 159 K)  Not Available No
Dermal
Hematologic
Nervous
5 x 10 -3 mg/kg-day None
479 Selenium and Compounds 7782-49-2 19910601 Jun-01-1991 IRIS Summary for Selenium and Compounds' (PDF 24 pp, 166 K)  Not Available Yes
Dermal
Hematologic
Nervous
5 x 10 -3 mg/kg-day None
480 Selenium sulfide 7446-34-6 19910301 Mar-01-1991 IRIS Summary for Selenium sulfide' (PDF 12 pp, 109 K)  Not Available Yes None None
481 Selenourea 630-10-4 19910501 May-01-1991 IRIS Summary for Selenourea' (PDF 4 pp, 76 K)  Not Available No None None archive
482 Sethoxydim 74051-80-2 19891101 Nov-01-1989 IRIS Summary for Sethoxydim' (PDF 7 pp, 97 K)  Not Available Yes Hematologic
9 x 10 -2 mg/kg-day None pesticide archive
483 Silver 7440-22-4 19911201 Dec-01-1991 IRIS Summary for Silver' (PDF 14 pp, 120 K)  Not Available Yes Dermal
5 x 10 -3 mg/kg-day None
484 Silver cyanide 506-64-9 19870131 Jan-31-1987 IRIS Summary for Silver cyanide' (PDF 8 pp, 94 K)  Not Available No
Endocrine
Nervous
1 x 10 -1 mg/kg-day None
485 Simazine 122-34-9 19930901 Sep-01-1993 IRIS Summary for Simazine' (PDF 12 pp, 115 K)  Not Available Yes Hematologic
5 x 10 -3 mg/kg-day None pesticide
486 Sodium azide 26628-22-8 19870331 Mar-31-1987 IRIS Summary for Sodium azide' (PDF 7 pp, 88 K)  Not Available Yes None 4 x 10 -3 mg/kg-day None
487 Sodium cyanide 143-33-9 20100928 Sep-28-2010 IRIS Summary for Sodium cyanide' (PDF 27 pp, 243 K) Toxicological Review for NoneSodium cyanide (PDF 153 pp, 905 K) Yes Reproductive
1 x 10 -3 mg/kg-day None
488 Sodium diethyldithiocarbamate 148-18-5 19870131 Jan-31-1987 IRIS Summary for Sodium diethyldithiocarbamate' (PDF 7 pp, 89 K)  Not Available Yes None 3 x 10 -2 mg/kg-day None
489 Sodium fluoroacetate 62-74-8 19910501 May-01-1991 IRIS Summary for Sodium fluoroacetate' (PDF 9 pp, 107 K)  Not Available Yes
Cardiovascular
Reproductive
2 x 10 -5 mg/kg-day None pesticide
490 Strontium 7440-24-6 19921001 Oct-01-1992 IRIS Summary for Strontium' (PDF 11 pp, 114 K)  Not Available Yes Musculoskeletal
6 x 10 -1 mg/kg-day None
491 Strychnine 57-24-9 19870131 Jan-31-1987 IRIS Summary for Strychnine' (PDF 7 pp, 89 K)  Not Available Yes None 3 x 10 -4 mg/kg-day None pesticide
492 Styrene 100-42-5 19921101 Nov-01-1992 IRIS Summary for Styrene' (PDF 26 pp, 169 K)  Not Available No
Hematologic
Hepatic
Nervous
2 x 10 -1 mg/kg-day 1 mg/m3 None
493 Systhane 88671-89-0 19880926 Sep-26-1988 IRIS Summary for Systhane' (PDF 8 pp, 91 K)  Not Available Yes Reproductive
2.5 x 10 -2 mg/kg-day None pesticide
494 Tebuthiuron 34014-18-1 19880822 Aug-22-1988 IRIS Summary for Tebuthiuron' (PDF 7 pp, 88 K)  Not Available Yes None 7 x 10 -2 mg/kg-day None pesticide
495 Terbacil 5902-51-2 19870131 Jan-31-1987 IRIS Summary for Terbacil' (PDF 8 pp, 90 K)  Not Available Yes
Endocrine
Hepatic
1.3 x 10 -2 mg/kg-day None pesticide
496 Terbutryn 886-50-0 19880926 Sep-26-1988 IRIS Summary for Terbutryn' (PDF 7 pp, 88 K)  Not Available Yes Hematologic
1 x 10 -3 mg/kg-day None pesticide
497 2,2',4,4'-Tetrabromodiphenyl ether (BDE-47) 5436-43-1 20080630 Jun-30-2008 IRIS Summary for 2,2',4,4'-Tetrabromodiphenyl ether (BDE-47)' (PDF 14 pp, 128 K) Toxicological Review for 2,2',4,4'-Tetrabromodiphenyl ether (BDE-47) (PDF 85 pp, 380 K) No Nervous
1 x 10 -4 mg/kg-day None
498 Tetrabromodiphenyl ether 40088-47-9 19900801 Aug-01-1990 IRIS Summary for Tetrabromodiphenyl ether' (PDF 5 pp, 87 K)  Not Available Yes None None
499 1,2,4,5-Tetrachlorobenzene 95-94-3 19870131 Jan-31-1987 IRIS Summary for 1,2,4,5-Tetrachlorobenzene' (PDF 7 pp, 90 K)  Not Available Yes Urinary
3 x 10 -4 mg/kg-day None
500 Tetrachlorocyclopentadiene 695-77-2 19900301 Mar-01-1990 IRIS Summary for Tetrachlorocyclopentadiene' (PDF 6 pp, 83 K)  Not Available No None None
501 2,3,7,8-Tetrachlorodibenzo-p-dioxin 1746-01-6 20120217 Feb-17-2012 IRIS Summary for 2,3,7,8-Tetrachlorodibenzo-p-dioxin' (PDF 16 pp, 150 K)  Not Available 2,3,7,8-Tetrachlorodibenzo-p-dioxin Support Documents No
Developmental
Endocrine
Reproductive
7 x 10 -10 mg/kg-day None
502 1,1,1,2-Tetrachloroethane 630-20-6 19890301 Mar-01-1989 IRIS Summary for 1,1,1,2-Tetrachloroethane' (PDF 13 pp, 117 K)  Not Available No
Hepatic
Urinary
3 x 10 -2 mg/kg-day Hepatic
503 1,1,2,2-Tetrachloroethane 79-34-5 20100930 Sep-30-2010 IRIS Summary for 1,1,2,2-Tetrachloroethane' (PDF 29 pp, 250 K) Toxicological Review for 1,1,2,2-Tetrachloroethane (PDF 153 pp, 907 K) Yes Hepatic
Hepatic
504 Tetrachloroethylene (Perchloroethylene) 127-18-4 20120210 Feb-10-2012 IRIS Summary for Tetrachloroethylene (Perchloroethylene)' (PDF 38 pp, 350 K) Toxicological Review for NoneTetrachloroethylene (Perchloroethylene) (PDF 1077 pp, 144.2 M)
Tetrachloroethylene (Perchloroethylene) Support Documents
No
Nervous
Ocular
6 x 10 -3 mg/kg-day 4 x 10 -2 mg/m3 Hepatic
505 2,3,4,6-Tetrachlorophenol 58-90-2 19880301 Mar-01-1988 IRIS Summary for 2,3,4,6-Tetrachlorophenol' (PDF 8 pp, 93 K)  Not Available Yes Hepatic
3 x 10 -2 mg/kg-day None
506 Tetrachlorovinphos 961-11-5 19870331 Mar-31-1987 IRIS Summary for Tetrachlorovinphos' (PDF 7 pp, 86 K)  Not Available Yes
Hepatic
Nervous
Urinary
3 x 10 -2 mg/kg-day None pesticide
507 Tetraethyl lead 78-00-2 19870131 Jan-31-1987 IRIS Summary for Tetraethyl lead' (PDF 6 pp, 85 K)  Not Available Yes
Hepatic
Immune
1 x 10 -7 mg/kg-day None
508 Tetraethyldithiopyrophosphate 3689-24-5 19880907 Sep-07-1988 IRIS Summary for Tetraethyldithiopyrophosphate' (PDF 6 pp, 86 K)  Not Available Yes Nervous
5 x 10 -4 mg/kg-day None
509 1,1,1,2-Tetrafluoroethane 811-97-2 19950801 Aug-01-1995 IRIS Summary for 1,1,1,2-Tetrafluoroethane' (PDF 13 pp, 121 K)  Not Available Yes Reproductive
8 x 10 1 mg/m3 None
510 Tetrahydrofuran 109-99-9 20120221 Feb-21-2012 IRIS Summary for Tetrahydrofuran' (PDF 26 pp, 242 K) Toxicological Review for NoneTetrahydrofuran (PDF 207 pp, 1.22 M) No
Developmental
Hepatic
Nervous
9 x 10 -1 mg/kg-day 2 mg/m3 None
511 Thallium (I), soluble salts Various 20090930 Sep-30-2009 IRIS Summary for Thallium (I), soluble salts' (PDF 17 pp, 137 K) Toxicological Review for NoneThallium (I), soluble salts (PDF 165 pp, 1.0 M) No None None
512 Thallium acetate 563-68-8 20090930 Sep-30-2009 IRIS Summary for Thallium acetate' (PDF 17 pp, 137 K) Toxicological Review for NoneThallium acetate (PDF 165 pp, 1.0 M) Yes None None
513 Thallium carbonate 6533-73-9 20090930 Sep-30-2009 IRIS Summary for Thallium carbonate' (PDF 17 pp, 137 K) Toxicological Review for NoneThallium carbonate (PDF 165 pp, 1.0 M) Yes None None
514 Thallium chloride 7791-12-0 20090930 Sep-30-2009 IRIS Summary for Thallium chloride' (PDF 17 pp, 137 K) Toxicological Review for NoneThallium chloride (PDF 165 pp, 1.0 M) Yes None None
515 Thallium nitrate 10102-45-1 20090930 Sep-30-2009 IRIS Summary for Thallium nitrate' (PDF 17 pp, 137 K) Toxicological Review for NoneThallium nitrate (PDF 165 pp, 1.0 M) Yes None None
516 Thallium oxide 1314-32-5 20090930 Sep-30-2009 IRIS Summary for Thallium oxide' (PDF 16 pp, 183 K) Toxicological Review for NoneThallium oxide (PDF 165 pp, 1.0 M) Yes None None
517 Thallium selenite 12039-52-0 20090930 Sep-30-2009 IRIS Summary for Thallium selenite' (PDF 15 pp, 128 K) Toxicological Review for NoneThallium selenite (PDF 165 pp, 1.0 M) Yes None None
518 Thallium(I) sulfate 7446-18-6 20090930 Sep-30-2009 IRIS Summary for Thallium(I) sulfate' (PDF 17 pp, 137 K) Toxicological Review for NoneThallium(I) sulfate (PDF 165 pp, 1.0 M) Yes None None
519 Thiobencarb 28249-77-6 19870930 Sep-30-1987 IRIS Summary for Thiobencarb' (PDF 7 pp, 88 K)  Not Available Yes Urinary
1 x 10 -2 mg/kg-day None pesticide
520 Thiophanate-methyl 23564-05-8 19870131 Jan-31-1987 IRIS Summary for Thiophanate-methyl' (PDF 8 pp, 93 K)  Not Available Yes
Endocrine
Reproductive
8 x 10 -2 mg/kg-day None pesticide archive
521 Thiram 137-26-8 19870930 Sep-30-1987 IRIS Summary for Thiram' (PDF 9 pp, 98 K)  Not Available Yes Nervous
5 x 10 -3 mg/kg-day None pesticide archive
522 Toluene 108-88-3 20050923 Sep-23-2005 IRIS Summary for Toluene' (PDF 35 pp, 230 K) Toxicological Review for NoneToluene (PDF 179 pp, 1.8 M) No
Nervous
Urinary
8 x 10 -2 mg/kg-day 5 mg/m3 None
523 2,4-/2,6-Toluene diisocyanate mixture (TDI) 26471-62-5 19950901 Sep-01-1995 IRIS Summary for 2,4-/2,6-Toluene diisocyanate mixture (TDI)' (PDF 25 pp, 172 K)  Not Available Yes Respiratory
7 x 10 -5 mg/m3 None
524 Toxaphene 8001-35-2 19880822 Aug-22-1988 IRIS Summary for Toxaphene' (PDF 9 pp, 97 K)  Not Available Yes None Hepatic
pesticide
525 Tralomethrin 66841-25-6 19890701 Jul-01-1989 IRIS Summary for Tralomethrin' (PDF 8 pp, 91 K)  Not Available Yes None 7.5 x 10 -3 mg/kg-day None pesticide
526 Triallate 2303-17-5 19870331 Mar-31-1987 IRIS Summary for Triallate' (PDF 7 pp, 88 K)  Not Available No Hepatic
1.3 x 10 -2 mg/kg-day None pesticide archive
527 Triasulfuron 82097-50-5 19910101 Jan-01-1991 IRIS Summary for Triasulfuron' (PDF 8 pp, 94 K)  Not Available Yes Hepatic
1 x 10 -2 mg/kg-day None pesticide
528 1,2,4-Tribromobenzene 615-54-3 19870331 Mar-31-1987 IRIS Summary for 1,2,4-Tribromobenzene' (PDF 6 pp, 85 K)  Not Available No Hepatic
5 x 10 -3 mg/kg-day None
529 Tribromochloromethane 594-15-0 19910301 Mar-01-1991 IRIS Summary for Tribromochloromethane' (PDF 5 pp, 87 K)  Not Available No None None
530 Tribromodiphenyl ether 49690-94-0 19900801 Aug-01-1990 IRIS Summary for Tribromodiphenyl ether' (PDF 5 pp, 87 K)  Not Available Yes None None
531 Tributyltin oxide (TBTO) 56-35-9 19970901 Sep-01-1997 IRIS Summary for Tributyltin oxide (TBTO)' (PDF 33 pp, 205 K) Toxicological Review for NoneTributyltin oxide (TBTO) (PDF 50 pp, 227 K) Yes Immune
3 x 10 -4 mg/kg-day None pesticide
532 1,1,2-Trichloro-1,2,2-trifluoroethane (CFC-113) 76-13-1 19870406 Apr-06-1987 IRIS Summary for 1,1,2-Trichloro-1,2,2-trifluoroethane (CFC-113)' (PDF 7 pp, 90 K)  Not Available Yes Nervous
3 x 10 1 mg/kg-day None
533 Trichloroacetic acid 76-03-9 20110930 Sep-30-2011 IRIS Summary for Trichloroacetic acid' (PDF 26 pp, 273 K) Toxicological Review for NoneTrichloroacetic acid (PDF 270 pp, 2.08 M) Yes Hepatic
2 x 10 -2 mg/kg-day Hepatic
534 1,2,4-Trichlorobenzene 120-82-1 19920501 May-01-1992 IRIS Summary for 1,2,4-Trichlorobenzene' (PDF 14 pp, 118 K)  Not Available Yes Endocrine
1 x 10 -2 mg/kg-day None
535 Trichlorocyclopentadiene 77323-84-3 19900301 Mar-01-1990 IRIS Summary for Trichlorocyclopentadiene' (PDF 5 pp, 81 K)  Not Available No None None
536 1,1,1-Trichloroethane 71-55-6 20070928 Sep-28-2007 IRIS Summary for 1,1,1-Trichloroethane' (PDF 55 pp, 386 K) Toxicological Review for 1,1,1-Trichloroethane (PDF 237 pp, 1.08 M) Yes
Hepatic
Nervous
2 mg/kg-day 7 mg/kg-day 5 mg/m3 5 mg/m3 None
537 1,1,2-Trichloroethane 79-00-5 19880926 Sep-26-1988 IRIS Summary for 1,1,2-Trichloroethane' (PDF 13 pp, 115 K)  Not Available Yes
Hematologic
Immune
4 x 10 -3 mg/kg-day Hepatic
538 Trichloroethylene 79-01-6 20110928 Sep-28-2011 IRIS Summary for Trichloroethylene' (PDF 63 pp, 520 K)  Not Available Trichloroethylene Support Documents No
Developmental
Immune
5 x 10 -4 mg/kg-day 2 x 10 -3 mg/m3
Hematologic
Hepatic
Urinary
539 Trichlorofluoromethane 75-69-4 19870131 Jan-31-1987 IRIS Summary for Trichlorofluoromethane' (PDF 7 pp, 89 K)  Not Available Yes
Cardiovascular
Respiratory
3 x 10 -1 mg/kg-day None
540 2,4,5-Trichlorophenol 95-95-4 19910701 Jul-01-1991 IRIS Summary for 2,4,5-Trichlorophenol' (PDF 7 pp, 90 K)  Not Available Yes
Hepatic
Urinary
1 x 10 -1 mg/kg-day None
541 2,4,6-Trichlorophenol 88-06-2 19910701 Jul-01-1991 IRIS Summary for 2,4,6-Trichlorophenol' (PDF 13 pp, 115 K)  Not Available Yes None Hematologic
542 2(2,4,5-Trichlorophenoxy) propionic acid (2,4,5-TP) 93-72-1 19880907 Sep-07-1988 IRIS Summary for 2(2,4,5-Trichlorophenoxy) propionic acid (2,4,5-TP)' (PDF 10 pp, 103 K)  Not Available Yes Hepatic
8 x 10 -3 mg/kg-day None
543 2,4,5-Trichlorophenoxyacetic acid (2,4,5-T) 93-76-5 19880907 Sep-07-1988 IRIS Summary for 2,4,5-Trichlorophenoxyacetic acid (2,4,5-T)' (PDF 8 pp, 95 K)  Not Available Yes Urinary
1 x 10 -2 mg/kg-day None
544 1,1,2-Trichloropropane 598-77-6 19880926 Sep-26-1988 IRIS Summary for 1,1,2-Trichloropropane' (PDF 6 pp, 86 K)  Not Available No
Endocrine
Hepatic
Urinary
5 x 10 -3 mg/kg-day None
545 1,2,3-Trichloropropane 96-18-4 20090930 Sep-30-2009 IRIS Summary for 1,2,3-Trichloropropane' (PDF 33 pp, 283 K) Toxicological Review for 1,2,3-Trichloropropane (PDF 247 pp, 1.91 M) Yes
Hepatic
Respiratory
4 x 10 -3 mg/kg-day 3 x 10 -4 mg/m3
Gastrointestinal
Hepatic
Ocular
Reproductive
546 Tricresol 1319-77-3 19920401 Apr-01-1992 IRIS Summary for Tricresol' (PDF 6 pp, 83 K)  Not Available Yes None None archive
547 Tridiphane 58138-08-2 19870131 Jan-31-1987 IRIS Summary for Tridiphane' (PDF 7 pp, 89 K)  Not Available Yes Reproductive
3 x 10 -3 mg/kg-day None pesticide
548 Triethylamine 121-44-8 19910401 Apr-01-1991 IRIS Summary for Triethylamine' (PDF 10 pp, 112 K)  Not Available Yes Respiratory
7 x 10 -3 mg/m3 None
549 Triethylene glycol monobutyl ether 143-22-6 19940901 Sep-01-1994 IRIS Summary for Triethylene glycol monobutyl ether' (PDF 6 pp, 93 K)  Not Available No None None
550 Triethylene glycol monoethyl ether 112-50-5 19940901 Sep-01-1994 IRIS Summary for Triethylene glycol monoethyl ether' (PDF 6 pp, 94 K)  Not Available No None None
551 Trifluralin 1582-09-8 19890701 Jul-01-1989 IRIS Summary for Trifluralin' (PDF 13 pp, 115 K)  Not Available Yes
Hematologic
Hepatic
7.5 x 10 -3 mg/kg-day
Endocrine
Urinary
pesticide
552 1,2,3-Trimethylbenzene 526-73-8 20160909 Sep-09-2016 IRIS Summary for 1,2,3-Trimethylbenzene' (PDF 10 pp, 323 K) Toxicological Review for 1,2,3-Trimethylbenzene (PDF 150 pp, 2.65 M)
1,2,3-Trimethylbenzene Support Documents
No
Hematologic
Nervous
Respiratory
1 x 10 -2 mg/kg-day 4 x 10 -2 mg/kg-day 6 x 10 -2 mg/m3 2 x 10 -1 mg/m3 None
553 1,2,4-Trimethylbenzene 95-63-6 20160909 Sep-09-2016 IRIS Summary for 1,2,4-Trimethylbenzene' (PDF 10 pp, 323 K) Toxicological Review for 1,2,4-Trimethylbenzene (PDF 150 pp, 2.65 M)
1,2,4-Trimethylbenzene Support Documents
No
Developmental
Hematologic
Nervous
Respiratory
1 x 10 -2 mg/kg-day 4 x 10 -2 mg/kg-day 6 x 10 -2 mg/m3 2 x 10 -1 mg/m3 None
554 1,3,5-Trimethylbenzene 108-67-8 20160909 Sep-09-2016 IRIS Summary for 1,3,5-Trimethylbenzene' (PDF 10 pp, 323 K) Toxicological Review for 1,3,5-Trimethylbenzene (PDF 150 pp, 2.65 M)
1,3,5-Trimethylbenzene Support Documents
No
Developmental
Nervous
1 x 10 -2 mg/kg-day 4 x 10 -2 mg/kg-day 6 x 10 -2 mg/m3 2 x 10 -1 mg/m3 None
555 2,2,4-Trimethylpentane 540-84-1 20070731 Jul-31-2007 IRIS Summary for 2,2,4-Trimethylpentane' (PDF 12 pp, 170 K) Toxicological Review for 2,2,4-Trimethylpentane (PDF 43 pp, 312 K) Yes None None
556 1,3,5-Trinitrobenzene 99-35-4 19971001 Oct-01-1997 IRIS Summary for 1,3,5-Trinitrobenzene' (PDF 10 pp, 99 K)  Not Available 1,3,5-Trinitrobenzene Support Documents Yes Hematologic
3 x 10 -2 mg/kg-day None
557 2,4,6-Trinitrotoluene (TNT) 118-96-7 19890601 Jun-01-1989 IRIS Summary for 2,4,6-Trinitrotoluene (TNT)' (PDF 14 pp, 118 K)  Not Available Yes Hepatic
5 x 10 -4 mg/kg-day Urinary
558 Uranium, soluble salts Various 19891001 Oct-01-1989 IRIS Summary for Uranium, soluble salts' (PDF 8 pp, 92 K)  Not Available Yes Urinary
3 x 10 -3 mg/kg-day None
559 Urea 57-13-6 20110713 Jul-13-2011 IRIS Summary for Urea' (PDF 14 pp, 125 K) Toxicological Review for NoneUrea (PDF 97 pp, 596 K) No None None
560 Vanadium pentoxide 1314-62-1 19880630 Jun-30-1988 IRIS Summary for Vanadium pentoxide' (PDF 7 pp, 88 K)  Not Available Vanadium pentoxide Support Documents Yes Dermal
9 x 10 -3 mg/kg-day None
561 Vernam 1929-77-7 19870331 Mar-31-1987 IRIS Summary for Vernam' (PDF 6 pp, 87 K)  Not Available No None 1 x 10 -3 mg/kg-day None pesticide
562 Vinclozolin 50471-44-8 19870131 Jan-31-1987 IRIS Summary for Vinclozolin' (PDF 7 pp, 87 K)  Not Available Yes
Endocrine
Urinary
2.5 x 10 -2 mg/kg-day None pesticide archive
563 Vinyl acetate 108-05-4 19901001 Oct-01-1990 IRIS Summary for Vinyl acetate' (PDF 12 pp, 119 K)  Not Available No
Nervous
Respiratory
2 x 10 -1 mg/m3 None
564 Vinyl bromide 593-60-2 19930501 May-01-1993 IRIS Summary for Vinyl bromide' (PDF 11 pp, 108 K)  Not Available Yes Hepatic
3 x 10 -3 mg/m3 None
565 Vinyl chloride 75-01-4 20000807 Aug-07-2000 IRIS Summary for Vinyl chloride' (PDF 64 pp, 341 K) Toxicological Review for NoneVinyl chloride (PDF 197 pp, 1.2 M) Yes Hepatic
3 x 10 -3 mg/kg-day 1 x 10 -1 mg/m3 Hepatic
566 Warfarin 81-81-2 19870331 Mar-31-1987 IRIS Summary for Warfarin' (PDF 9 pp, 98 K)  Not Available Yes Hematologic
3 x 10 -4 mg/kg-day None pesticide
567 White phosphorus 7723-14-0 19901201 Dec-01-1990 IRIS Summary for White phosphorus' (PDF 12 pp, 111 K)  Not Available Yes
Dermal
Reproductive
2 x 10 -5 mg/kg-day None
568 Xylenes 1330-20-7 20030221 Feb-21-2003 IRIS Summary for Xylenes' (PDF 33 pp, 203 K) Toxicological Review for NoneXylenes (PDF 113 pp, 498 K) No Nervous
2 x 10 -1 mg/kg-day 1 x 10 -1 mg/m3 None
569 Zinc and Compounds 7440-66-6 20050803 Aug-03-2005 IRIS Summary for Zinc and Compounds' (PDF 21 pp, 154 K) Toxicological Review for NoneZinc and Compounds (PDF 83 pp, 520 K) No
Hematologic
Immune
3 x 10 -1 mg/kg-day None
570 Zinc cyanide 557-21-1 19870131 Jan-31-1987 IRIS Summary for Zinc cyanide' (PDF 8 pp, 101 K)  Not Available Yes
Endocrine
Nervous
5 x 10 -2 mg/kg-day None
571 Zinc phosphide 1314-84-7 19870331 Mar-31-1987 IRIS Summary for Zinc phosphide' (PDF 7 pp, 89 K)  Not Available Yes None 3 x 10 -4 mg/kg-day None pesticide
572 Zineb 12122-67-7 19870331 Mar-31-1987 IRIS Summary for Zineb' (PDF 8 pp, 93 K)  Not Available Yes Endocrine
5 x 10 -2 mg/kg-day None pesticide

This page provides a list of IRIS assessments in development for which draft materials have been released to the public, along with the current step in assessment development for each chemical. See the IRIS Process page for a description of each step, and the Quick Check on the chemical landing pages for a visualization of where each assessments is in the IRIS development process. Assessments in development are not included in the IRIS database and are not captured by IRIS Advanced Search. Use the table below to access these assessments.  

  Chemical Name CASRN IRIS Progress Step Draft Documents
1 Arsenic, Inorganic (iA) 7440-38-2 Step 4
2 Chloroform 67-66-3 Step 3
3 Chromium VI (CrVI) 18540-29-9 Step 5
4 Cobalt and Cobalt Compounds 1307-96-6 Step 1
5 Ethylbenzene 100-41-4 Step 1
6 Formaldehyde (Inhalation) 50-00-0 Step 5
7 Mercury Salts, Inorganic Various Step 1
8 Methylmercury (MeHg) 22967-92-6 Step 1
9 Naphthalene 91-20-3 Step 1
10 Nitrate 14797-55-8 Step 1
11 Nitrite 14797-65-0 Step 1
12 Perfluorodecanoic Acid (PFDA) 335-76-2 Step 6
13 Perfluorohexanesulfonic Acid (PFHxS) 355-46-4 Step 4
14 Perfluorononanoic Acid (PFNA) 375-95-1 Step 4
15 Polychlorinated Biphenyls (PCBs) 1336-36-3 Step 1
16 Uranium, natural 7440-61-1 Step 1
17 Vanadium and Compounds (Oral) Various Step 1
18 Vanadium and Compounds (Inhalation) Various Step 1

This page provides a list of final IRIS assessments that have been archived and are no longer included in the IRIS database.   

  Chemical Name CASRN IRIS Summary Last Significant Revision* Archive Date
1 Acephate 30560-19-1 IRIS Summary for 'Acephate' (PDF 13 pp, 114 K) 19890501 05/01/1989 20160715 07/15/2016
2 Amdro 67485-29-4 IRIS Summary for 'Amdro' (PDF 7 pp, 87 K) 19870930 09/30/1987 20160715 07/15/2016
3 ortho-Anisidine 90-04-0 IRIS Summary for ' ortho-Anisidine' (PDF 4 pp, 83 K) 19911001 10/01/1991 20181219 12/19/2018
4 Asulam 3337-71-1 IRIS Summary for 'Asulam' (PDF 7 pp, 90 K) 19880630 06/30/1988 20160715 07/15/2016
5 Barium cyanide 542-62-1 IRIS Summary for 'Barium cyanide' (PDF 4 pp, 77 K) 19910301 03/01/1991 20181219 12/19/2018
6 Bayleton 43121-43-3 IRIS Summary for 'Bayleton' (PDF 7 pp, 89 K) 19880301 03/01/1988 20160715 07/15/2016
7 Benefin 1861-40-1 IRIS Summary for 'Benefin' (PDF 7 pp, 88 K) 19870331 03/31/1987 20160715 07/15/2016
8 Bidrin 141-66-2 IRIS Summary for 'Bidrin' (PDF 7 pp, 89 K) 19870930 09/30/1987 20160715 07/15/2016
9 Bromoxynil 1689-84-5 IRIS Summary for 'Bromoxynil' (PDF 7 pp, 88 K) 19880630 06/30/1988 20160715 07/15/2016
10 Bromoxynil octanoate 1689-99-2 IRIS Summary for 'Bromoxynil octanoate' (PDF 7 pp, 88 K) 19880907 09/07/1988 20160715 07/15/2016
11 Carbonyl sulfide 463-58-1 IRIS Summary for 'Carbonyl sulfide' (PDF 4 pp, 82 K) 19911101 11/01/1991 20181219 12/19/2018
12 Chlorimuron-ethyl 90982-32-4 IRIS Summary for 'Chlorimuron-ethyl' (PDF 7 pp, 90 K) 19891101 11/01/1989 20160715 07/15/2016
13 Chlorpropham 101-21-3 IRIS Summary for 'Chlorpropham' (PDF 8 pp, 92 K) 19980630 06/30/1998 20160715 07/15/2016
14 Chlorpyrifos 2921-88-2 IRIS Summary for 'Chlorpyrifos' (PDF 4 pp, 75 K) 20110324 03/24/2011 20180314 03/14/2018
15 Chlorsulfuron 64902-72-3 IRIS Summary for 'Chlorsulfuron' (PDF 7 pp, 89 K) 19870131 01/31/1987 20160715 07/15/2016
16 Cyanazine 21725-46-2 IRIS Summary for 'Cyanazine' (PDF 5 pp, 82 K) 19920701 07/01/1992 20181210 12/10/2018
17 Cyhalothrin/Karate 68085-85-8 IRIS Summary for 'Cyhalothrin/Karate' (PDF 7 pp, 87 K) 19880630 06/30/1988 20160715 07/15/2016
18 Cypermethrin 52315-07-8 IRIS Summary for 'Cypermethrin' (PDF 8 pp, 91 K) 19890301 03/01/1989 20160715 07/15/2016
19 Cyromazine 66215-27-8 IRIS Summary for 'Cyromazine' (PDF 7 pp, 87 K) 19870930 09/30/1987 20160715 07/15/2016
20 Diazomethane 334-88-3 IRIS Summary for 'Diazomethane' (PDF 4 pp, 81 K) 19911101 11/01/1991 20181219 12/19/2018
21 4-(2,4-Dichlorophenoxy)butyric acid (2,4-DB) 94-82-6 IRIS Summary for ' 4-(2,4-Dichlorophenoxy)butyric acid (2,4-DB)' (PDF 7 pp, 88 K) 19870131 01/31/1987 20160715 07/15/2016
22 Dicofol 115-32-2 IRIS Summary for 'Dicofol' (PDF 4 pp, 78 K) 19920401 04/01/1992 20181210 12/10/2018
23 Diethyl sulfate 64-67-5 IRIS Summary for 'Diethyl sulfate' (PDF 4 pp, 84 K) 19911101 11/01/1991 20181219 12/19/2018
24 Difenzoquat 43222-48-6 IRIS Summary for 'Difenzoquat' (PDF 7 pp, 87 K) 19880822 08/22/1988 20160715 07/15/2016
25 Dimethipin 55290-64-7 IRIS Summary for 'Dimethipin' (PDF 12 pp, 110 K) 19900501 05/01/1990 20160715 07/15/2016
26 Dimethoate 60-51-5 IRIS Summary for 'Dimethoate' (PDF 8 pp, 94 K) 19880822 08/22/1988 20160715 07/15/2016
27 Dimethylamine 124-40-3 IRIS Summary for 'Dimethylamine' (PDF 4 pp, 76 K) 19910101 01/01/1991 20181219 12/19/2018
28 3,3-Dimethylbenzidine 119-93-7 IRIS Summary for ' 3,3-Dimethylbenzidine' (PDF 5 pp, 88 K) 19910701 07/01/1991 20181219 12/19/2018
29 Diphenylamine 122-39-4 IRIS Summary for 'Diphenylamine' (PDF 7 pp, 88 K) 19870131 01/31/1987 20160715 07/15/2016
30 Dodine 2439-10-3 IRIS Summary for 'Dodine' (PDF 7 pp, 88 K) 19870930 09/30/1987 20160715 07/15/2016
31 Ethyl carbamate 51-79-6 IRIS Summary for 'Ethyl carbamate' (PDF 4 pp, 83 K) 19920401 04/01/1992 20181219 12/19/2018
32 S-Ethyl dipropylthiocarbamate (EPTC) 759-94-4 IRIS Summary for ' S-Ethyl dipropylthiocarbamate (EPTC)' (PDF 7 pp, 88 K) 19870930 09/30/1987 20160715 07/15/2016
33 Ethyleneimine 151-56-4 IRIS Summary for 'Ethyleneimine' (PDF 4 pp, 84 K) 19920401 04/01/1992 20181219 12/19/2018
34 Flurprimidol 56425-91-3 IRIS Summary for 'Flurprimidol' (PDF 9 pp, 96 K) 19890701 07/01/1989 20160715 07/15/2016
35 Flutolanil 66332-96-5 IRIS Summary for 'Flutolanil'