n-Nitroso-n-Methylurea
CAS Number
684-93-5Synonym
Carbamide, N-methyl-N-nitroso; Methylnitrosourea; NMU; N-methyl-n-nitrosourea; 1-methyl-1-nitrosourea; N-nitroso-n-methylcarbamide; Nitrosomethylurea; 1-nitroso-1-methylurea
Occurrence/Use
Research chemical (induces cancer). Used in clinical trials as an anti-tumor agent. Formerly used to produce diazomethane; patented for use as a polymerization agent.
Cancer Potency Information
| Inhalation Unit Risk (μg/cubic meter)-1: | 3.4 E-2 |
|---|---|
| Inhalation Slope Factor (mg/kg-day)-1: | 1.2 E+2 |
| Oral Slope Factor (mg/kg-day)-1: | 1.2 E+2 |
| Comments/References: |
This value was used as the basis of the No Significant Risk Level that was adopted in Title 22 California Code of Regulations, Section 12705, Subsection (b) for the purposes of the Safe Drinking Water and Toxic Enforcement Act of 1986 (Proposition 65). |
Proposition 65
Chemical Status
| Cancer: | Currently listed |
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Cancer
| Listed as causing : | Listed as causing: Cancer |
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| Date of Listing: |
Safe Harbor Levels
| Cancer |