N-Nitrosodimethylamine

Synonyms & Trade Names

Dimethylnitrosamine, N,N-Dimethylnitrosamine, DMNA, N-Methyl-N-nitroso-methanamine, NDMA, N-Nitroso-N,N-dimethylamine

Physical Description

Yellow, oily liquid with a faint, characteristic odor.

Incompatibilities & Reactivities

Strong oxidizers [Note: Should be stored in dark bottles.]

Symptoms

nausea, vomiting, diarrhea, abdominal cramps; headache; fever; enlarged liver, jaundice; decreased liver, kidney, pulmonary function; [potential occupational carcinogen]

Cancer Site

[in animals; lung, kidney, liver & nasal cavity tumors]

Respirator Recommendations

(See Appendix E)

NIOSH

At concentrations above the NIOSH REL, or where there is no REL, at any detectable concentration:
(APF = 10,000) Any self-contained breathing apparatus that has a full facepiece and is operated in a pressure-demand or other positive-pressure mode
(APF = 10,000) Any supplied-air respirator that has a full facepiece and is operated in a pressure-demand or other positive-pressure mode in combination with an auxiliary self-contained positive-pressure breathing apparatus

Escape:
(APF = 50) Any air-purifying, full-facepiece respirator with an N100, R100, or P100 filter.
Click here for information on selection of N, R, or P filters.
Any appropriate escape-type, self-contained breathing apparatus

Important additional information about respirator selection