Grade: ACS
Synonyms: THF, Tetramethylene oxide, Oxolane, Butylene oxide
Chemical Formula: C4H8O
Hill Formula: C4H8O
CAS Number: 109-99-9
UN Number: UN2056
Solubility: (20 °C) soluble
Melting Point: -108.5 °C
Molar Mass: 72.11 g/mol
Boiling Point: 65 - 66 °C (1013 hPa)
Vapor Pressure: 173 hPa (20 °C)
Flash Point: -21.5 °C
Refractive Index: 1.407 (20 °C)
Explosion Limit: 1.5 - 12.4 %(V)
Density: 0.89 g/cm3 (20 °C)
Ignition Point: 215 °C
pH: 7 - 8 (200 g/l, H2O, 20 °C)