Tetrahydrofuran (Tetrahydrofuran) is a heterocyclic organic compound with the molecular formula C4H8O. It is a colorless organic liquid miscible with water and has a small viscosity under normal temperature and pressure. Chinese name: tetrahydrofuran foreign name: Tetrahydrofuran alias: 1,4-epoxybutane; oxyheterocyclopentane; THF chemical formula: C4H8O molecular weight: 72.11CAS registration number: 109-99-9EINECS registration number: 203-726-8 melting point: -108.5 ℃ boiling point: 66 ℃ density: 0.888 g/cm06 Appearance: transparent liquid flash point: -14 ℃ (CC); -20 ℃ (OC) Application: solvent, raw material for organic synthesis; used as chromatography reagent, organic solvent and nylon 66 intermediate. Safety Description: S26; S36; S33; S29; S16 Storage Precautions: Generally, polymerization inhibitors are added to products. Store in a cool, ventilated warehouse. Stay away from fire and heat sources. The storage temperature should not exceed 30℃. The package must be sealed and must not be in contact with air. It should be stored separately from oxidants, acids, alkalis, etc., and should not be mixed. Explosion-proof lighting and ventilation facilities are used.