For the preparation of succinic acid, pentylene glycol, tetrahydrofuran, pyran, etc.; It is also used as a solvent for coatings, resins and greases; Used as lubricant and dispersant in the printing and dyeing industry; pharmaceutical intermediates; decolorizing agent and deodorant of drugs; It is also used as a raw material for organic synthesis such as plasticizers, herbicides, and pesticides