N-Nitrosodiethylamine
CASRN 55-18-5 | DTXSID2021028
- IRIS Summary (PDF) (11 pp, 106 K)
On this page:
Noncancer Assessment
Reference Dose for Oral Exposure (RfD) (PDF) (11 pp, 106 K) Last Updated:
Not assessed under the IRIS Program.
Reference Concentration for Inhalation Exposure (RfC) (PDF) (11 pp, 106 K)
Not assessed under the IRIS Program.
Cancer Assessment
Weight of Evidence for Cancer (PDF)
(11 pp, 106 K)
Last Updated: 01/31/1987
| WOE Characterization | Framework for WOE Characterization |
|---|---|
| B2 (Probable human carcinogen - based on sufficient evidence of carcinogenicity in animals) | Guidelines for Carcinogen Risk Assessment (U.S. EPA, 1986) |
- Induction of tumors at multiple sites in both rodent and nonrodent species exposed by various routes.
- This may be a synopsis of the full weight-of-evidence narrative.
Quantitative Estimate of Carcinogenic Risk from Oral Exposure (PDF) (11 pp, 106 K)
Oral Slope Factor:
1.5
x 102
per mg/kg-day
Drinking Water Unit Risk:
4.3
x 10-3
per µg/L
Extrapolation Method: Weibull, extra risk
Tumor site(s): Hepatic
Tumor type(s): Liver tumors (Peto et al., 1984)
Quantitative Estimate of Carcinogenic Risk from Inhalation Exposure (PDF) (11 pp, 106 K)
Inhalation Unit Risk:
4.3
x 10-2
per µg/m3
Extrapolation Method: Weibull, extra risk
Tumor site(s): Hepatic
Tumor type(s): Liver tumors (Peto et al., 1984)
Other EPA Information
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Tumor Sites
Chemical Structure
Synonyms
- Dana: den
- Dena
- Diaethylnitrosamin
- Diethylamine, n-nitroso
- Diethylnitrosamine
- Diethylnitrosoamine
- Ethylamine, n-nitrosodi-
- Ndea
- Nitrosodiethylamine
- Nitrosodiethylamine, n-
- RCRA Waste Number U174
- n,n-Niethylnitrosamine
- n-Ethyl-n-nitroso-ethanamine
- n-Nitrosodiethylamine
- 55-18-5