CAS Number: 109‑99‑9
Synonyms: Tetrahydrofuran; THF; Oxolane; 1,4‑epoxybutane
Chemical Formula: C₄H₈O
Molecular Weight: 72.11 g/mol
Product Introduction
A colorless, low-viscosity, ether-like liquid. Fully miscible with water and organics. Widely used as an aprotic solvent in polymer production, Grignard reactions, chromatography, and organometallic synthesis
| Property | Value |
|---|---|
| Appearance | Colorless liquid |
| Odor | Ether-like |
| Density @ 20 °C | 0.8876 g/cm³ |
| Melting Point | −108.4 °C |
| Boiling Point | ~66 °C |
| Vapor Pressure @ 20 °C | ~132 mm Hg (~17.6 kPa) |
| Flash Point | −14 °C |
| Viscosity @ 25 °C | ~0.48 cP |
| Refractive Index | ~1.4073 |
| Solubility | Miscible with water and organics |
Highly flammable; forms explosive peroxides on storage; irritant and potential carcinogen (IARC 2B). NFPA: 2‑3‑1. GHS: H225, H319, H335, H351. Use in a well-ventilated area or fume hood with PPE. Store under inert atmosphere with peroxide inhibitor.
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