Methacrylonitrile

Methacrylonitrile
Names
Preferred IUPAC name
2-Methylprop-2-enenitrile
Other names
Methylacrylonitrile
2-Cyanopropene
2-Cyano-1-propene
Isopropenecyanide
Isopropenylcyanid
Isopropene cyanide
Identifiers
126-98-7 YesY
3D model (Jmol) Interactive image
ChemSpider 29101
ECHA InfoCard 100.004.380
PubChem 31368
Properties
C4H5N
Molar mass 67.09 g·mol−1
Appearance Clear colorless to very slightly yellow liquid
Odor Bitter almonds[1]
Density 0.8 g/mL
Melting point −35.8 °C (−32.4 °F; 237.3 K)
Boiling point 90 to 92 °C (194 to 198 °F; 363 to 365 K)
2.57 g/100 mL (20 °C)
Vapor pressure 71 mmHg (25 °C)[1]
Hazards
Flash point 13 °C (55 °F; 286 K)
Explosive limits 2%-6.8%[1]
US health exposure limits (NIOSH):
PEL (Permissible)
none[1]
REL (Recommended)
TWA 1 ppm (3 mg/m3) [skin][1]
IDLH (Immediate danger)
N.D.[1]
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references

Methacrylonitrile is a chemical compound that is an unsaturated aliphatic nitrile, widely used in the preparation of homopolymers, copolymers, elastomers, and plastics and as a chemical intermediate in the preparation of acids, amides, amines, esters, and other nitriles. Methacrylonitrile is also used as a replacement for acrylonitrile in the manufacture of an acrylonitrile/butadiene/styrene-like polymer.[2]

It is toxic by ingestion, inhalation, and skin absorption.[3]

References

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