Ethylbenzene
CAS Number
100-41-4Synonym
Aethylbenzol; EB; Ethyl benzene; Ethylbenzol; NCI-C56393; Phenylethane
Occurrence/Use
Styrene, synthetic rubber, airplane fuel); component of tobacco smoke
Soil Screening
| Last CHHSL revision: | 9/2010 |
|---|---|
| CHHSL Comments: |
For chemical-specific screening levels for use in assessing contaminated sites, please see HHRA Note 3 (DTSC HERO). https://www.dtsc.ca.gov/assessingrisk/humanrisk2.cfm |
Cancer Potency Information
| Inhalation Unit Risk (μg/cubic meter)-1: | 2.5 E-6 |
|---|---|
| Inhalation Slope Factor (mg/kg-day)-1: | 8.7 E-3 |
| Oral Slope Factor (mg/kg-day)-1: | 1.1 E-2 |
| Comments/References: |
OEHHA 2009. Air Toxics Hot Spots Program Technical Support Document for Cancer Potencies. Appendix B. Chemical-specific summaries of the information used to derive unit risk and cancer potency values. Updated 2011.
OEHHA 2007. Adoption of a Unit Risk Value for Ethylbenzene. |
Air
Chronic REL
| Chronic Inhalation REL (μg/m3): | 2000 |
|---|---|
| Chronic Target Organs: | Development; alimentary system (liver); kidney; endocrine system |
| Human Data: | No |
| Last Chronic REL Revision: | 2000 |
| Chronic Reference Exposure Levels Comments: |
OEHHA 2008. Technical Supporting Document for Noncancer RELs, Appendix D3
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Proposition 65
Chemical Status
| Cancer: | Currently listed |
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Cancer
| Listed as causing : | Listed as causing: Cancer |
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| Date of Listing: |
Safe Harbor Levels
| Cancer | |
| Last NSRL/MADL Revision: | 2008 |
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Documents, Presentations, and Publications
| Cancer: |
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Public notices related to this chemical
- Notice of Adoption to Text of Regulations Title 27, California Code of Regulations Amendment to Section 25705(b) No Significant Risk Level (NSRL) for Ethylbenzene
- Notice Of Addition Of Documents And Information To OAL Rulemaking File No. Z-08-0318-08, Amendment To Title 27, Section 25705: No Significant Risk Level (NSRL) for Ethylbenzene
- Notice of Proposed Rulemaking, Title 22, California Code of Regulations, Amendment to Section 12705. Specific Regulatory Levels Posing No Significant Risk: Ethylbenzene
- Chemicals Listed Effective June 11, 2004 as Known to the State of California to Cause Cancer: Five Chemicals
- Notice of Intent to List Chemicals: Five Chemicals
Water
California Public Health Goals Data
| Health Risk Category: | Hepatotoxicity (liver) |
|---|---|
| Public Health Goal (mg/L): | 0.3 |
| Public Health Goal - Download: | etbx2c.pdf |
| Cancer Risk at PHG: | n/a |
| MCL value (mg/L): | 0.3 |
| Cancer Risk at MCL: | n/a |
| Last PHG Revision : | 1997 |
| California PHG Comments: | OEHHA 2013. Health Risk Information for Public Health Goal Exceedance Reports |