Styrene
CASRN 100-42-5 | DTXSID2021284
- IRIS Summary (PDF) (26 pp, 169 K)
On this page:
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.
Chemical Documents
Jan 1998: IRIS Documentation For Styrene (Other)
Other EPA Information
- Human Health Benchmarks for Pesticides (HHBP). This database provides human health benchmarks for pesticides that may be present in drinking water.
- Office of Pesticide Programs Pesticide Chemical Search. This database provides links to health effects information and registration status for pesticides.
- Chemistry Dashboard. This database provides information on chemical structures, experimental and predicted physicochemical, and toxicity data.
Related Links
Critical Effects
Chemical Structure
Synonyms
- Benzene, vinyl-
- Cinnamene
- Cinnamenol
- Cinnamol
- Diarex hf 77
- Ethenylbenzene
- Ethylene, phenyl-
- NCI-C02200
- Phenethylene
- Phenylethene
- Phenylethylene
- Stirolo
- Styreen
- Styren
- Styrene
- Styrene, monomer
- Styrol
- Styrole
- Styrolene
- Styropol
- Styropor
- UN 2055
- 100-42-5