Esters from 1,4-butanediol are good plasticizers for cellulose, polyvinyl chloride, polyacrylates and polyesters. 1,4-Butanediol has good hygroscopicity and flexibility, and can be used as gelatin softener and water-absorbing agent, as a treatment agent for cellophane and other unused paper. It can also prepare Chemicalbook N-methylpyrrolidone, N-vinylpyrrolidone and other pyrrolidone derivatives, and also used to prepare vitamin B6, pesticides, herbicides and solvents, plasticizers, lubricants, moisturizing agents for various processes , softness, adhesives and brighteners for the electroplating industry.