Styrene
CASRN 100-42-5 | DTXSID2021284
- IRIS Summary (PDF) (26 pp, 169 K)
Noncancer Assessment
Reference Dose for Oral Exposure (RfD) (PDF)
(26 pp, 169 K)
Last Updated: 01/31/1987
| System | RfD (mg/kg-day) | Basis | PoD | Composite UF | Confidence |
|---|---|---|---|---|---|
| Hepatic, Hematologic | 2 x 10 -1 | Red blood cell and liver effects |
NOAEL
:
2.00
x 102 mg/kg-day |
1000 | Medium |
Reference Concentration for Inhalation Exposure (RfC) (PDF)
(26 pp, 169 K)
Last Updated: 11/01/1992
| System | RfC (mg/m3) | Basis | PoD | Composite UF | Confidence |
|---|---|---|---|---|---|
| Nervous | 1 | CNS effects |
NOAEL
(HEC):
3.4
x 101 mg/m3 |
30 | Medium |
Cancer Assessment
Weight of Evidence for Cancer (PDF)
(26 pp, 169 K)
Not assessed under the IRIS Program.
Quantitative Estimate of Carcinogenic Risk from Oral Exposure (PDF) (26 pp, 169 K)
Not assessed under the IRIS Program.
Quantitative Estimate of Carcinogenic Risk from Inhalation Exposure (PDF) (26 pp, 169 K)
Not assessed under the IRIS Program.
Jan 1998: IRIS Documentation For Styrene (Other)
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