n-Nitroso-n-Ethylurea
CAS Number
759-73-9Synonym
ENU; Ethylnitrosourea; N-ethylnitrosourea; N-ethyl-n-nitrosourea; 1-ethyl-1-nitrosourea; NEU; Nitrosoethylurea; NSC 45403
Occurrence/Use
Research chemical (induces cancer), medicine (chemotherapy drug). Formerly used in the synthesis of diazoethane.
Cancer Potency Information
| Inhalation Unit Risk (μg/cubic meter)-1: | 7.7 E-3 |
|---|---|
| Inhalation Slope Factor (mg/kg-day)-1: | 2.7 E+1 |
| Oral Slope Factor (mg/kg-day)-1: | 2.7 E+1 |
| Comments/References: |
OEHHA 1992. Expedited Cancer Potency Values and Proposed Regulatory Levels for Certain Proposition 65 Carcinogens.
Note: 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 |
|---|
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)
0.03 µg/day
| Cancer |