N-Nitrosodimethylamine |
Synonyms & Trade Names Dimethylnitrosamine; N,N-Dimethylnitrosamine; DMNA; N-Methyl-N-nitroso-methanamine; NDMA; N-Nitroso-N,N-dimethylamine |
CAS No. 62-75-9 |
RTECS No. IQ0525000 |
DOT ID & Guide |
Formula(CH3)2N2O |
Conversion |
IDLH Ca [N.D.]
See: IDLH INDEX |
Exposure Limits NIOSH REL: Ca See Appendix A
OSHA PEL: [1910.1016] See Appendix B |
Measurement Methods
NIOSH 2522;
OSHA 38
See: NMAM or OSHA Methods |
Physical Description Yellow, oily liquid with a faint, characteristic odor. |
MW: 74.1 |
BP: 306°F |
FRZ: ? |
Sol: Soluble |
VP: 3 mmHg |
IP: 8.69 eV |
Sp.Gr: 1.005 |
Fl.P: ? |
UEL: ? |
LEL: ? |
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| Combustible Liquid |
Incompatibilities & Reactivities Strong oxidizers [Note: Should be stored in dark bottles.] |
Exposure Routes inhalation, skin absorption, ingestion, skin and/or eye contact |
Symptoms nausea, vomiting, diarrhea, abdominal cramps; headache; fever; enlarged liver, jaundice; decreased liver, kidney, pulmonary function; [potential occupational carcinogen] |
Target Organs Liver, kidneys,lungs |
Cancer Site[in animals; lung, kidney, liver & nasal cavity tumors] |
Personal Protection/Sanitation (See protection codes)
Skin: Prevent skin contact
Eyes: Prevent eye contact
Wash skin: When contaminated/Daily
Remove: When wet or contaminated
Change: Daily
Provide: Eyewash, Quick drench |
First Aid (See procedures)
Eye: Irrigate immediately
Skin: Soap wash immediately
Breathing: Respiratory support
Swallow: Medical attention immediately |
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 |
| See also: INTRODUCTION See ICSC CARD: 0525 See MEDICAL TESTS: 0167 |
