Tetrahydrofuran (THF)
CAS Number: 109-99-9
Tetrahydrofuran (THF, ≥99.9%) is a cyclic ether solvent with exceptional solvency for PVC and most engineering polymers, complete water miscibility, and a fast evaporation rate. It is widely used in PVC pipe adhesives, polymer dissolution and coating, lithium battery electrolytes, Grignard reactions, and as a raw material for PTMEG (polytetramethylene ether glycol) production.
Technical Specifications
| appearance | Colorless clear liquid |
| purity (%) | ≥99.9 |
| water content (%) | ≤0.03 |
| boiling point (°C) | 66.0 |
| density (g/mL, 20°C) | 0.888–0.890 |
| peroxide content (ppm) | ≤1 |
Applications
- PVC pipe, fitting, and conduit solvent cement
- Polymer dissolution and analysis (GPC/SEC mobile phase)
- Lithium battery electrolyte co-solvent
- Grignard reaction and organometallic chemistry solvent
- Feedstock for PTMEG (spandex and polyurethane elastic fiber raw material)
Key Features
- Ultra-high purity ≥99.9% with peroxide ≤1 ppm ensuring safety in organometallic applications
- Exceptional solvency for PVC enabling high-strength pipe adhesive bonds
- Fast evaporation rate at 66°C enabling rapid joint curing in plumbing applications
- Complete water miscibility and moderate polarity making it ideal for GPC polymer analysis
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CAS Number
109-99-9
Category
Industrial Solvents / ChemicalsAvailability
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