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Ethylbenzene

CAS Number

100-41-4

Synonym

Aethylbenzol; EB; Ethyl benzene; Ethylbenzol; NCI-C56393; Phenylethane

Occurrence/Use

Styrene, synthetic rubber, airplane fuel); component of tobacco smoke

Ethylbenzene

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: 

Proposition 65

Chemical Status

Cancer: 
Currently listed

Cancer

Listed as causing: 
Cancer
Date of Listing: 
06/11/2004
Basis for Listing: 
Authoritative Bodies-International Agency for Research on Cancer

Safe Harbor Levels

Cancer
No Significant Risk Level (NSRL) - Oral: 
41 µg/day
No Significant Risk Level (NSRL) - Inhalation: 
54 µg/day
Last NSRL/MADL Revision: 
2008

Documents, Presentations, and Publications

Cancer: 

Public notices related to this chemical: 

Water

California Public Health Goals Data

Health Risk Category: 
Hepatotoxicity (liver)
Public Health Goal (mg/L): 
0.3
Public Health Goal - Download: 
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: