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Methylacrylonitrile

Synonyms & Trade Names
2-Cyanopropene-1, 2-Cyano-1-propene, Isoprene cyanide, Isopropenylnitrile, Methacrylonitrile, α-Methylacrylonitrile, 2-Methylpropenenitrile
CAS No.
126-98-7
RTECS No.
UD1400000
DOT ID & Guide
3079 131P (inhibited)
Formula
CH2=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%
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
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
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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