| butylene oxide; diethylene oxide; 1,4-epoxybutane; oxacyclopentane; oxolane; tetrahydrofuran; tetramethylene oxide; THF | |
| Links: | 📏 NIST, ⚗️ ChemSynthesis, 📖 PubMed, 📖Houben-Weyl, 2. Band (Tetrahydrofuran); p. 286, |
| CAS RN: | [109-99-9] |
| Formula: | C4H8O; 72.11 g/mol |
| InChiKey: | WYURNTSHIVDZCO-UHFFFAOYSA-N |
| SMILES: | O1CCCC1 |
| Use: | Grignard reaction and other syntheses; refining lubricating oils |
| Toxicology (LD50): | 1 650 mg/Kg (rat, or) |
| Density: | 0.887 g/mL |
| Molar volume: | 81.3 mL/mol |
| Refractive index: | 1.407 |
| Molecular refractive power: | 20.02 mL/mol |
| Dielectric constant: | 7.58 |
| Dipole moment: | 1.69 D |
| Melting point: | -108 °C |
| Boiling point: | 65 °C |
| Vapour pressure: | 142 Torr |
| Surface tension: | 26.40 dyn/cm |
| Viscosity: | 0.55 cP |
| Critical temperature: | 468 °C |
| Critical pressure: | 51.3 atm |
| Critical volume: | 224.00 ml/mol |
| Evaporation rate (ether): | 2.3 |
| Evaporation rate (butyl acetate): | 6.3 |
| Solubility in water: | 100 % w/w |
| Solubility of water: | 100 % w/w |
| Log10 partition octanol / water: | 0.46 |
| Snyder P': | 4.0 |
| Snyder X: | Xe: 0.4 Xd: 0.2 Xn: 0.4 |
| Solvent strength (ε0, silica): | 0.35 |
| Solvent strength (ε0, alumina): | 0.45 |
| Dimroth ET: | 37.4 |
| Hildebrant solubility parameter (δ): | 9.1 |
| Hansen solubility parameter: | δd: 8.2 (cal/mL)^0.5 δp: 2.8 (cal/mL)^0.5 δh: 3.9 (cal/mL)^0.5 |
| Specific heat capacity: | 36.0 cal/molK |