N-Nitrosodimethylamine
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CAS
62-75-9
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(CH3)2N2O
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RTECS
IQ0525000
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Synonyms & Trade Names
Dimethylnitrosamine; N,N-Dimethylnitrosamine; DMNA; N-Methyl-N-nitroso-methanamine; NDMA; N-Nitroso-N,N-dimethylamine
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DOT ID & Guide
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Exposure
Limits
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NIOSH REL: Ca See Appendix A
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OSHA PEL: [1910.1016] See Appendix B
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IDLH
Ca [N.D.]
See: IDLH INDEX
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Conversion
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Physical Description
Yellow, oily liquid with a faint, characteristic odor.
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MW: 74.1
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BP: 306°F
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FRZ: ?
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Sol: Soluble
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VP: 3 mmHg
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IP: 8.69 eV
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Sp.Gr: 1.005
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Fl.P: ?
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UEL: ?
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LEL: ?
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Combustible Liquid
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Incompatibilities & Reactivities
Strong oxidizers [Note: Should be stored in dark bottles.]
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Measurement Methods
NIOSH 2522; OSHA 38
See: NMAM or OSHA Methods |
Personal Protection & Sanitation (See protection)
Skin: Prevent skin contact
Eyes: Prevent eye contact
Wash skin: When contaminated/Daily
Remove: When wet or contaminated
Change: Daily
Provide: Eyewash, Quick drench
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First Aid (See procedures)
Eye: Irrigate immediately
Skin: Soap wash immediately
Breathing: Respiratory support
Swallow: Medical attention immediately
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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
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Exposure Routes
inhalation, skin absorption, ingestion, skin and/or eye contact
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Symptoms
Nausea, vomiting, diarrhea, abdominal cramps; headache; fever; enlarged liver, jaundice; decreased liver, kidney, pulmonary function; [potential occupational carcinogen]
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Target Organs
Liver, kidneys,lungs
Cancer Site
[in animals; lung, kidney, liver & nasal cavity tumors]
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See also: INTRODUCTION
See ICSC CARD: 0525 See MEDICAL TESTS: 0167
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