Methylacrylonitrile |
Synonyms & Trade Names 2-Cyanopropene-1, 2-Cyano-1-propene, Isoprene cyanide, Isopropenylnitrile, Methacrylonitrile, ?-Methylacrylonitrile, 2-Methylpropenenitrile |
CAS No. 126-98-7 |
RTECS No. UD1400000 |
DOT ID & Guide 3079 131P (inhibited) |
FormulaCH2=C(CH3)CN |
Conversion 1 ppm = 2.74 mg/m3 |
IDLH N.D.
See: IDLH INDEX |
Exposure Limits NIOSH REL: TWA 1 ppm (3 mg/m3) [skin]
OSHA PEL†: none |
Measurement Methods
None available
See: NMAM or OSHA Methods |
Physical Description Colorless liquid with an odor like bitter almonds. |
MW: 67.1 |
BP: 195°F |
FRZ: -32°F |
Sol: 3% |
VP(77°F): 71 mmHg |
IP: ? |
Sp.Gr: 0.80 |
Fl.P: 34°F |
UEL: 6.8% |
LEL: 2% |
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| Class IB Flammable Liquid: Fl.P. below 73°F and BP at or above 100°F. |
Incompatibilities & Reactivities Strong acids, strong oxidizers, alkali, light [Note: Polymerization may occur due to elevated temperature, visible light, or contact with a concentrated alkali.] |
Exposure Routes inhalation, skin absorption, ingestion, skin and/or eye contact |
Symptoms irritation eyes, skin; lacrimation (discharge of tears); in animals: convulsions, loss of motor control in hind limbs |
Target Organs Eyes, skin, central nervous system |
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Personal Protection/Sanitation (See protection codes)
Skin: Prevent skin contact
Eyes: Prevent eye contact
Wash skin: When contaminated
Remove: When wet (flammable)
Change: No recommendation
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First Aid (See procedures)
Eye: Irrigate immediately
Skin: Soap wash immediately
Breathing: Respiratory support
Swallow: Medical attention immediately |
Respirator Recommendations Not available.
Important additional information about respirator selection |
| See also: INTRODUCTION See ICSC CARD: 0652
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