Urethane

CAS Number

51-79-6

Synonym

AI3-00553; Ethylurethan; Ethyl carbamate; Ethyl urethane; Leucethane; NSC-746; Pracarbamin; Pracarbamine; Urethan; Uretano

Occurrence/Use

Production of pesticide and fungicide, chemical intermediate (pharmaceuticals); component of tobacco smoke. Former use in medicine (antineoplastic)

Cancer Potency Information

Inhalation Unit Risk (μg/cubic meter)-1: 2.9 E-4
Inhalation Slope Factor (mg/kg-day)-1: 1.0 E+0
Oral Slope Factor (mg/kg-day)-1: 1.0 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
Reproductive Toxicity : Currently listed

Cancer

Cancer - Listing Mechanism
State's Qualified Experts
Listed as causing : Listed as causing: Cancer
Date of Listing:

Reproductive Toxicity

Listed as causing: Developmental Toxicity
Developmental Toxicity
Date of Listing:
Basis for Listing : Authoritative Bodies-US Environmental Protection Agency

Safe Harbor Levels

No Significant Risk Level (NSRL)
0.7 µg/day
Cancer