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Mass spectrum of acrylonitrile


A clear, colorless liquid. Acrylonitrile is the monomer used for many acrylic and modacrylic fibers (see Acrylic fiber). It is also widely used as a copolymer. Acrylonitrile is copolymerized with butadiene to produce Nitrile rubber. It is an important component in the tough resilient rubber mixtures of ABS (acrylonitrile-butadiene-styrene) and SAN (Styrene-acrylonitrile). Acrylonitrile is used as an Insecticide.

See also Polyacrylonitrile.

Synonyms and Related Terms

acrilonitrilo (Esp.); cianoetileno (Esp.); 2-propenonitrilo (Esp.); acrylonitrile (Fr.); acrilonitrile (It.); acrilonitrilo (Port.); vinyl cyanide; 2-propenenitrile; cyanoethylene;

Examples: Acritet; Fumigrain; Ventox;



Chemical structure



  • Explosive and flammable.
  • Toxic by inhalation and skin absorption.
  • Suspected carcinogen.
  • ThermoFisher: SDS

Physical and Chemical Properties

Soluble in all common organic solvents. Miscible with water.

Composition CH2:CHCN
CAS 107-13-1
Melting Point -83.55 C
Density 0.8060 g/ml
Molecular Weight mol. wt. = 53.06
Refractive Index 1.3888
Boiling Point 77.3 C

Resources and Citations

  • G.S.Brady, Materials Handbook, McGraw-Hill Book Co., New York, 1971 Comment: p. 11
  • Theodore J. Reinhart, 'Glossary of Terms', Engineered Plastics, ASM International, 1988
  • Hoechst Celanese Corporation, Dictionary of Fiber & Textile Technology (older version called Man-made Fiber and Textile Dictionary, 1965), Hoechst Celanese Corporation, Charlotte NC, 1990
  • The Merck Index, Martha Windholz (ed.), Merck Research Labs, Rahway NJ, 10th edition, 1983 Comment: entry 133