Succinic anhydride mainly used in producing Medicament(Such as Fenbufen,N - butyl hydroxydiimide,Succinic acid ethyl ester chloride,Erythromycin ethylsuccinate,Artesunate,Oxaprozin,Trepibutone),Plasticizer,Bonding agent, Pharmacuticalindustry, Waterborne epoxy resin, Uv curing resin, Curing coatings, Curing agent,Lubricant, Petroleum additive, LCD electronic industry ect.GB2760-90 food processing AIDS, medicine, pesticide, esters and synthetic resin, can also be used in thesynthesis of succinic acid and analytical reagent.Synthetic resin industry used in the manufacture of alkydresin and ion exchange resin.The plastics industry used in the manufacture of glass fibre reinforcedplastics.Pesticide industry for creating plant growth regulator, etc.As the intermediate of synthesis oforganic compounds, organic industry.Used as a standard method of alkali titration in analytical chemistry.