Solvent Tetrahydrofuran (THF 99.99%, CAS 109-99-9) is a colorless, volatile, water-miscible cyclic ether with a faint ether odor. It is a versatile polar aprotic solvent widely used in polymer synthesis and chemical processing. TNJ Chemical is the leading manufacturer and exporter since 2001. We guarantee high quality, competitive price, stable supply, fast delivery and tech support etc. To inquire more, please contact sales@tnjchem.com
Product Information
CAS No.: 109-99-9
English Name: TetrahydrofuranAbbreviation: THF
Molecular Formula: C₄H₈O
Molecular Weight: 72.11
Chemphysical Properties
Appearance: Clear colorless liquid
Boiling point: 65-67 ℃
Flash point: -14 ℃Density: 0.889 g/mL (20℃)
Solubility: Fully miscible with water, alcohols, ketones, esters and hydrocarbons
Stability: Prone to peroxide formation under air exposure
Quality Specification
| Item | Standard |
|---|---|
| Purity | ≥99.9% |
| Water | ≤0.05% |
| Peroxide (as H₂O₂) | ≤0.005% |
| Color (APHA) | ≤10 |
| Residue on evaporation | ≤0.005% |
Use & Application
Main solvent for PVC, PU, PVDF coating and adhesive
Reaction solvent for Grignard reaction, lithium chemistry etc.
Raw material for producing polytetramethylene ether glycol (PTMEG)Used in analytical chemistry, HPLC mobile phase
Packaging & Storage
Packing: 180kg galvanized steel drum or IBC drum
Storage: Keep in cool, dry, well-ventilated warehouse, away from ignition sources, oxidants.
Add stabilizer (BHT) for long-term storage.




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