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n-Nitrosopyrrolidine

CAS Number

930-55-2

Synonym

1-nitrosopyrrolidine; No-PYR; n-n-pyr; NPYR; n-PYR

Occurrence/Use

Research chemical (induces tumors); released during cooking of nitrite-preserved foods; component of tobacco smoke

n-Nitrosopyrrolidine

Cancer Potency Information

Inhalation Unit Risk (μg/cubic meter)-1: 
6.0 E-4
Inhalation Slope Factor (mg/kg-day)-1: 
2.1 E+0
Oral Slope Factor (mg/kg-day)-1: 
2.1 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): 
0.3 µg/day