NIOSH Pocket Guide to Chemical Hazards

Dimethylaminopropionitrile CAS 1738-25-6
Synonyms & Trade Names
3-(Dimethylamino)propionitrile; N,N-Dimethylamino-3-propionitrile [Note: A component (95%) of NIAX® Catalyst ESN, along with bis(2-(dimethylamino)ethyl) ether (5%).]
DOT ID & Guide
NIOSH REL: See Appendix C (NIAX® Catalyst ESN)
OSHA PEL: See Appendix C (NIAX® Catalyst ESN)
IDLH N.D. Conversion
Physical Description
Colorless liquid.
MW: 98.2
BP: 342°F
FRZ: -48°F
Sol: Miscible
VP(135°F): 10 mmHg
IP: ?

Sp.Gr(86°F): 0.86
Fl.P: 147°F
UEL: ?
LEL: ?

Class IIIA Combustible Liquid: Fl.P. at or above 140F and below 200F.
Incompatibilities & Reactivities
Oxidizers [Note: Emits toxic oxides of nitrogen and cyanide fumes when heated to decomposition.]
Measurement Methods
None available
Personal Protection & Sanitation
Skin: Prevent skin contact
Eyes: Prevent eye contact
Wash skin: When contaminated
Remove: When wet or contaminated
Change: No recommendation
Provide: Eyewash, Quick drench
First Aid (See procedures)
Eye: Irrigate immediately
Skin: Water flush immediately
Breathing: Respiratory support
Swallow: Medical attention immediately
Respirator Recommendations 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 (gas mask) with a chin-style, front- or back-mounted organic vapor canister/Any appropriate escape-type, self-contained breathing apparatus
Exposure Routes inhalation, skin absorption, ingestion, skin and/or eye contact
Symptoms Irritation eyes, skin; urinary disturbance; neurological disorders; pins & needles in hands & feet; muscle weakness, lassitude (weakness, exhaustion), nausea, vomiting; decreased nerve conduction in lower legs
Target Organs Eyes, skin, central nervous system, urinary tract