Used as solvent and raw material for organic synthesis. Used as chromatographic analysis reagent, organic solvent and nylon 66 intermediate. Also used in the production of adipdinitrile, adipadipic acid, adipdiamine, succinic acid, butanediol, gamma-butylactone, etc., in the pharmaceutical industry, can be used for the production of cough bixin, progesterone, rifumycin and used as a...