Skip to main content
U.S. flag

An official website of the United States government

Here’s how you know

Dot gov

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

HTTPS

Secure .gov websites use HTTPS
A lock ( Lock A locked padlock ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

  • Environmental Topics
  • Laws & Regulations
  • Report a Violation
  • About EPA
IRIS
Contact Us

List of Substances on IRIS

  • List A to Z
  • Assessments in Development
  • List by Archived

List by Archived

Final IRIS assessments that have been archived and are no longer included in the IRIS database.
A basic version of this table is available.
Row Chemical Name CASRN Last Significant Revision Archive Date
1 Acephate 30560-19-1 19890501 05/01/1989 20160715 07/15/2016
2 Amdro 67485-29-4 19870930 09/30/1987 20160715 07/15/2016
3 ortho-Anisidine 90-04-0 19911001 10/01/1991 20181219 12/19/2018
4 Asulam 3337-71-1 19880630 06/30/1988 20160715 07/15/2016
5 Barium cyanide 542-62-1 19910301 03/01/1991 20181219 12/19/2018
6 Bayleton 43121-43-3 19880301 03/01/1988 20160715 07/15/2016
7 Benefin 1861-40-1 19870331 03/31/1987 20160715 07/15/2016
8 Bidrin 141-66-2 19870930 09/30/1987 20160715 07/15/2016
9 Bromoxynil 1689-84-5 19880630 06/30/1988 20160715 07/15/2016
10 Bromoxynil octanoate 1689-99-2 19880907 09/07/1988 20160715 07/15/2016
11 Carbonyl sulfide 463-58-1 19911101 11/01/1991 20181219 12/19/2018
12 Chlorimuron-ethyl 90982-32-4 19891101 11/01/1989 20160715 07/15/2016
13 Chlorpropham 101-21-3 19980630 06/30/1998 20160715 07/15/2016
14 Chlorpyrifos 2921-88-2 20110324 03/24/2011 20180314 03/14/2018
15 Chlorsulfuron 64902-72-3 19870131 01/31/1987 20160715 07/15/2016
16 Cyanazine 21725-46-2 19920701 07/01/1992 20181210 12/10/2018
17 Cyhalothrin/Karate 68085-85-8 19880630 06/30/1988 20160715 07/15/2016
18 Cypermethrin 52315-07-8 19890301 03/01/1989 20160715 07/15/2016
19 Cyromazine 66215-27-8 19870930 09/30/1987 20160715 07/15/2016
20 Diazomethane 334-88-3 19911101 11/01/1991 20181219 12/19/2018
21 4-(2,4-Dichlorophenoxy)butyric acid (2,4-DB) 94-82-6 19870131 01/31/1987 20160715 07/15/2016
22 Dicofol 115-32-2 19920401 04/01/1992 20181210 12/10/2018
23 Diethyl sulfate 64-67-5 19911101 11/01/1991 20181219 12/19/2018
24 Difenzoquat 43222-48-6 19880822 08/22/1988 20160715 07/15/2016
25 Dimethipin 55290-64-7 19900501 05/01/1990 20160715 07/15/2016
26 Dimethoate 60-51-5 19880822 08/22/1988 20160715 07/15/2016
27 Dimethylamine 124-40-3 19910101 01/01/1991 20181219 12/19/2018
28 3,3-Dimethylbenzidine 119-93-7 19910701 07/01/1991 20181219 12/19/2018
29 Diphenylamine 122-39-4 19870131 01/31/1987 20160715 07/15/2016
30 Dodine 2439-10-3 19870930 09/30/1987 20160715 07/15/2016
31 Ethyl carbamate 51-79-6 19920401 04/01/1992 20181219 12/19/2018
32 S-Ethyl dipropylthiocarbamate (EPTC) 759-94-4 19870930 09/30/1987 20160715 07/15/2016
33 Ethyleneimine 151-56-4 19920401 04/01/1992 20181219 12/19/2018
34 Flurprimidol 56425-91-3 19890701 07/01/1989 20160715 07/15/2016
35 Flutolanil 66332-96-5 19890501 05/01/1989 20160715 07/15/2016
36 Folpet 133-07-3 19880822 08/22/1988 20160715 07/15/2016
37 Fomesafen 72178-02-0 19880822 08/22/1988 20160715 07/15/2016
38 Formic acid 64-18-6 19901201 12/01/1990 20181210 12/10/2018
39 Fosetyl-al 39148-24-8 19880822 08/22/1988 20160715 07/15/2016
40 Glufosinate-ammonium 77182-82-2 19870930 09/30/1987 20160715 07/15/2016
41 Harmony 79277-27-3 19880926 09/26/1988 20160715 07/15/2016
42 Hydroquinone 123-31-9 19901001 10/01/1990 20181219 12/19/2018
43 Imazalil 35554-44-0 19870331 03/31/1987 20160715 07/15/2016
44 Lactofen 77501-63-4 19880630 06/30/1988 20160715 07/15/2016
45 Linuron 330-55-2 19890801 08/01/1989 20160715 07/15/2016
46 Merphos oxide 78-48-8 19921101 11/01/1992 20160715 07/15/2016
47 Methidathion 950-37-8 19890501 05/01/1989 20160715 07/15/2016
48 Methyl chlorocarbonate 79-22-1 19890501 05/01/1989 20181219 12/19/2018
49 Methyl iodide 74-88-4 19920901 09/01/1992 20181210 12/10/2018
50 Methyl isocyanate 624-83-9 19910301 03/01/1991 20181219 12/19/2018
51 4-(2-Methyl-4-chlorophenoxy) butyric acid (MCPB) 94-81-5 19880926 09/26/1988 20160715 07/15/2016
52 Napropamide 15299-99-7 19890701 07/01/1989 20160715 07/15/2016
53 Nitrapyrin 1929-82-4 19920701 07/01/1992 20181210 12/10/2018
54 p-Nitrophenol 100-02-7 19911001 10/01/1991 20181210 12/10/2018
55 Norflurazon 27314-13-2 19870131 01/31/1987 20160715 07/15/2016
56 NuStar 85509-19-9 19880926 09/26/1988 20160715 07/15/2016
57 Oryzalin 19044-88-3 19890701 07/01/1989 20160715 07/15/2016
58 Oxyfluorfen 42874-03-3 19870131 01/31/1987 20160715 07/15/2016
59 Pendimethalin 40487-42-1 19880630 06/30/1988 20160715 07/15/2016
60 Phenmedipham 13684-63-4 19900601 06/01/1990 20160715 07/15/2016
61 Phosalone 2310-17-0 19881201 12/01/1988 20181210 12/10/2018
62 Pirimiphos-methyl 29232-93-7 19870930 09/30/1987 20160715 07/15/2016
63 Prometryn 7287-19-6 19870930 09/30/1987 20160715 07/15/2016
64 Propargite 2312-35-8 19900501 05/01/1990 20160715 07/15/2016
65 Propiconazole 60207-90-1 19880822 08/22/1988 20160715 07/15/2016
66 beta-Propiolactone 57-57-8 19910701 07/01/1991 20181219 12/19/2018
67 Propylene glycol 57-55-6 19910601 06/01/1991 20181210 12/10/2018
68 Propylene glycol monoethyl ether 52125-53-8 19910601 06/01/1991 20181219 12/19/2018
69 Propyleneimine 75-55-8 19920101 01/01/1992 20181219 12/19/2018
70 Pursuit 81335-77-5 19900101 01/01/1990 20160715 07/15/2016
71 Quinone 106-51-4 19901001 10/01/1990 20181219 12/19/2018
72 Radium 226,228 Various 19890101 01/01/1989 20181219 12/19/2018
73 Radon 222 14859-67-7 19890701 07/01/1989 20181219 12/19/2018
74 Selenourea 630-10-4 19910501 05/01/1991 20181219 12/19/2018
75 Sethoxydim 74051-80-2 19891101 11/01/1989 20160715 07/15/2016
76 Thiophanate-methyl 23564-05-8 19870131 01/31/1987 20160715 07/15/2016
77 Thiram 137-26-8 19870930 09/30/1987 20160715 07/15/2016
78 Triallate 2303-17-5 19870331 03/31/1987 20160715 07/15/2016
79 Tricresol 1319-77-3 19920401 04/01/1992 20181024 10/24/2018
80 Vinclozolin 50471-44-8 19870131 01/31/1987 20160715 07/15/2016
  • IRIS Home
  • About IRIS
  • IRIS Recent Additions
  • IRIS Calendar
  • IRIS Assessments
  • Advanced Search
  • IRIS Program Materials
Contact Us to ask a question, provide feedback, or report a problem.
United States Environmental Protection Agency

Discover.

  • Accessibility Statement
  • Budget & Performance
  • Contracting
  • EPA www Web Snapshots
  • Grants
  • No FEAR Act Data
  • Privacy
  • Privacy and Security Notice

Connect.

  • Data.gov
  • Inspector General
  • Jobs
  • Newsroom
  • Open Government
  • Regulations.gov
  • Subscribe
  • USA.gov
  • White House

Ask.

  • Contact EPA
  • EPA Disclaimers
  • Hotlines
  • FOIA Requests
  • Frequent Questions

Follow.