Acrylonitrile is the chemical compound with the formula CH2CHCN. This pungent-smelling colorless liquid often appears yellow due to impurities. It is an important monomer for the manufacture of useful plastics. In terms of its molecular structure, it consists of a vinyl group linked to a nitrile.
Acrylonitrile can be used in acrylic fiber, ABS, SAN, adiponitrile, acrylamide, and NBR rubber.