Cupferron

CAS Number

135-20-6

Synonym

Ammonium nitroso-beta-phenylhydroxylamine; Ammonium cupferron; Ammonium nitrosophenylhydroxylamine; NCI-C03258; N-nitrosophenylhydroxylamine ammonium salt

Occurrence/Use

Analytical reagent used to separate and precipitate metals

Cupferron

Cancer Potency Information

Inhalation Unit Risk (μg/cubic meter)-1: 6.3 E-5
Inhalation Slope Factor (mg/kg-day)-1: 2.2 E-1
Oral Slope Factor (mg/kg-day)-1: 2.2 E-1
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

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

Safe Harbor Levels

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

Documents, Presentations, and Publications

Cancer: