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3,3-Dichlorobenzidine

CAS Number

91-94-1

Synonym

CI 23060

Occurrence/Use

Curing agent for solid urethane plastics. Formerly used in the US as chemical intermediate for dyes.

3,3-Dichlorobenzidine

Cancer Potency Information

Inhalation Unit Risk (μg/cubic meter)-1: 
3.4 E-4
Inhalation Slope Factor (mg/kg-day)-1: 
1.2 E+0
Oral Slope Factor (mg/kg-day)-1: 
1.2 E+0
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.

Air

Proposition 65

Chemical Status

Cancer: 
Currently listed

Cancer

Listed as causing: 
Cancer
Date of Listing: 
10/01/1987
Basis for Listing: 
State's Qualified Experts

Safe Harbor Levels

Cancer
No Significant Risk Level (NSRL): 
0.6 µg/day