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n-Nitrosomorpholine

CAS Number

59-89-2

Synonym

NMOR; Nitrosomorpholine; NCI-C02164; 4-nitrosomorpholine

Occurrence/Use

Solvent for polyacrylonitrile; chemical intermediate; antimicrobial properties; may be present in emissions or effluents from production of rubber and related products. No production or use in the US.

n-Nitrosomorpholine

Cancer Potency Information

Latest Criteria: 
Proposition 65 NSRLs/MADLs
Inhalation Unit Risk (μg/cubic meter)-1: 
1.9 E-3
Inhalation Slope Factor (mg/kg-day)-1: 
6.7 E+0
Oral Slope Factor (mg/kg-day)-1: 
6.7 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.

 

OEHHA 1992. Expedited Cancer Potency Values and Proposed Regulatory Levels for Certain Proposition 65 Carcinogens.

Air

Proposition 65

Chemical Status

Cancer: 
Currently listed

Cancer

Listed as causing: 
Cancer
Date of Listing: 
01/01/1988
Basis for Listing: 
State's Qualified Experts

Safe Harbor Levels

Cancer
No Significant Risk Level (NSRL): 
0.1 µg/day
Last NSRL/MADL Revision: 
1992

Documents, Presentations, and Publications

Cancer: