Tetrahydrofuran CAS 109-99-9
Tetrahydrofuran, also known as oxacyclopentane, 1, 4-epoxy butane, is a heterocyclic organic compound, chemical formula C4H8O, belongs to the ether class, is a complete hydrogenation product of furan, colorless transparent liquid, soluble in water, ethanol, ether, acetone, benzene, etc., mainly used as solvent, chemical synthesis intermediate, analytical reagent.