It is used for preparing succinic acid, pentanediol, tetrahydrofuran, pyran, etc. it is also used as a solvent for coatings, resins and oils. In the printing and dyeing industry, it is used as lubricant, dispersant, decolorizing and deodorizing agent of drugs, as well as raw materials for organic synthesis such as plasticizer, herbicide and pesticide. Tetrahydrofuran methyl bromide was obtained by bromination of tetrahydrofuran alcohol, and sodium tetrahydrofuran methyl thiosulfate was prepared by replacement of sodium thiosulfate. It is the raw material of long-acting vitamin B1 (furan thiamine).