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Nature of tetrahydrofuran
May 10, 2018


CAS Number: 109-99-9
English name: Tetrahydrofuran
English Synonyms: THF; PTHF; oxolan; 5C-APB; Oxolane; PTMEG 250; NCI-C60560; Hydrofuran; PTMEG 1800; PTMEG 1400
Chinese name: Tetrahydrofuran
Chinese Synonyms: urea-urea; oxygen-pentane ring; tetrahydrofuran; anoxic acyclic; tetramethylenoxy; monooxane; tetrahydrofuran; oxolane; oxetane; diethylene oxide
CBNumber: CB6852795
Molecular formula: C4H8O
Molecular Weight: 72.11
MOL File: 109-99-9.mol
Chemical properties
Melting point : 33-36 °C
Boiling point : 66 °C
Density : 0.887 g/mL at 20 °C
Vapor density: 2.5 (vs air)
Vapor pressure: <0.01 mm Hg ( 25 °C)
Refractive index : n20/D 1.465
Flash point : >230 °F
Storage conditions : 2-8°C
Solubility : water: soluble
Form: Liquid
Color: <10 (APHA)
Relative polarity: 0.207
PH value: 7-8 (200g/l, H2O, 20°C)
Explosive limit: 1.5-12.4%(V)
Water solubility : miscible
Freezing point : -108°C
Sensitivity : Air Sensitive & Hygroscopic