Tetrahydrofuran appears as a clear colorless liquid with an ethereal odor. Less dense than water. Flash point 6 °F. Vapors are heavier than air.
⚠️ For information only; not a substitute for the official Safety Data Sheet (SDS).
Tetrahydrofuran appears as a clear colorless liquid with an ethereal odor. Less dense than water. Flash point 6 °F. Vapors are heavier than air.
| Physical Description | Tetrahydrofuran appears as a clear colorless liquid with an ethereal odor. Less dense than water. Flash point 6 °F. Vapors are heavier than air. |
| Color/Form | Colorless, mobile liquid |
| Odor | Ether-like odor |
| Melting Point | -163.3 °F (NTP, 1992) |
| Boiling Point | 151 °F at 760 mmHg (NTP, 1992) |
| Flash Point | 6 °F (NTP, 1992) |
| Density | 0.888 at 68 °F (USCG, 1999) - Less dense than water; will float |
| Solubility | greater than or equal to 100 mg/mL at 68 °F (NTP, 1992) |
| Vapor Pressure | 114 mmHg at 59 °F ; 145 mmHg at 68 °F (NTP, 1992) |
| Refractive Index | Index of refraction: 1.4050 at 20 °C/D |
| Stability/Shelf Life | Tetrahydrofuran will auto-oxidize in the presence of light & O2 to form resinous products that color water from pink to brown at conc above 100-250 mg/l. |
| IUPAC Name | oxolane |
| Molecular Formula | C4H8O |
| Molecular Weight | 72.11 g/mol |
| CAS | 109-99-9 |
| SMILES | C1CCOC1 |
| InChIKey | WYURNTSHIVDZCO-UHFFFAOYSA-N |
| Catalog No | KC.2010066 |
| Pack sizes | 500ML |
⚠️ For information only; not a substitute for the official SDS.