It is an important chemical raw material and intermediate for medicine, and also the intermediate of the synthesize N-methyl pyrrolidone, α-pyrrolidone, polyvinyl pyrrolidone, α-acetyl-γ-butyrolactone, methionine and the butyric acid compounds.
It is mainly used in synthesizing cyclopropylamine in medical industry. It features a strong solubility, and is a good solvent for polyacrylonitrile, epoxy resin, polyvinyl butyral, polyvinyl chloride and its copolymers, and cellulose polymers.