Tetrahydrofuran (THF) is a colorless, volatile liquid with an ethereal or acetone like the smell and is miscible in water and most organic solvents. It is highly flammable and may thermally decompose to carbon monoxide and carbon dioxide. Prolonged storage in contact with air and in the absence of an antioxidant may cause THF to decompose into explosive peroxides. Product Name: Tetrahydrofuran CAS: 109-99-9 MF: C4H8O MW: 72.11 EINECS: 203-726-8 Mol File: 109-99-9.mol Melting point: -108°C Boiling point: 66 °C density: 0.887 g/mL at 20 °C
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