Tetrahydrofuran THF

Product Overview

Tetrahydrofuran (THF) is a colorless, ether-like cyclic solvent with very strong solvency and fast evaporation characteristics. It is also referred to as oxolane, tetrahydrofurane, oxolan, furan tetrahydro, diethylene oxide, and 1,4-epoxybutane. THF is a key solvent in polymer and resin systems, and it is also an important starting material for PTMEG production.

Colorless transparent liquid with ether smell. Miscible with water, alcohol, ketone, benzene, ester, ether and hydrocarbons.
Tetrahydrofuran, the raw material for the spandex synthesis reaction, can itself be polycondensed (ring-opening repolymerization initiated by cations) into polytetramethylene ether glycol (PTMEG), also known as tetrahydrofuran homopolyether. PTMEG is combined with toluene diisocyanate (TDI) to make a special rubber with wear resistance, oil resistance, low temperature performance and high strength; it is made with dimethyl terephthalate and 1,4-butanediol to make block polyether polyester elasticity Material. PTMEG with a relative molecular mass of 2000 and p-methylene bis (4-phenyl) diisocyanate (MDI) are used to make polyurethane elastic fibers (spandex, SPANDEX fibers), special rubber and some special-purpose coatings. The most important use of THF is to produce PTMEG. According to rough statistics, more than 80% of the world's THF is used to produce PTMEG, and PTMEG is mainly used to produce elastic spandex fiber.

Typical Specifications

Melting Point	-108°C
Boiling Point	66 °C
Density	0.887 g/mL at 20 °C
Vapor Density	2.5 (vs air)
Vapor Pressure	<0.01 mm Hg ( 25 °C)
Refractive Index	n20/D 1.465
Fp	>230 °F
Storage Temp.	Store at +5°C to +30°C.
Solubility	Water: soluble
Form	Liquid
Specific Gravity	0.89
Color	<10(APHA)
Odor	Ethereal, detectable at 2 to 50 ppm
PH	7-8 (200g/l, H2O, 20℃)
PH Range	7
Relative Polarity	0.207
Explosive Limit	1.5-12.4%(V)
Water Solubility	Miscible
Freezing Point	-108℃

Key Applications

Polymer and resin processing: used as a strong solvent for PVC, coatings, adhesives and elastomers.
PTMEG production: important raw material and process solvent for PTMEG 1000 and PTMEG 2000 routes.
Fine chemicals: widely used in synthesis, extraction and lab formulation work.
Industrial cleaning / formulation: strong solvency for specialty cleaning systems and resin dissolving applications.

Solvent with excellent performance Tetrahydrofuran is a commonly used excellent solvent, especially suitable for dissolving PVC, polyvinylidene chloride and butylaniline. It is widely used as a solvent for surface coatings, anti-corrosion coatings, printing inks, tapes and film coatings. When electroplating aluminum liquid, the thickness and brightness of the aluminum layer can be controlled arbitrarily. Tape coating, PVC surface coating, cleaning PVC reactor, removing PVC film, cellophane coating, plastic printing ink, thermoplastic polyurethane coating, adhesive solvent, commonly used in surface coatings, protective coatings, inks, Extractive agent and surface treatment agent for synthetic leather.

Used as raw materials for organic synthesis in pharmaceuticals and other industries to produce tetrahydrothiophene, 1.4-dichloroethane, 2.3-dichlorotetrahydrofuran, valerolactone, butyrolactone and pyrrolidone, etc. In the pharmaceutical industry, it is used to synthesize Kebiqing, rifumycin, progesterone and some hormone drugs. Tetrahydrothiophenol is generated by hydrogen sulfide treatment, which can be used as an odorant (identification additive) in fuel gas and is also the main solvent in the pharmaceutical industry.

Other uses of chromatography solvent (gel permeation chromatography), used for natural gas flavoring, acetylene extraction solvent, polymer material light stabilizer, etc. With the widespread application of tetrahydrofuran, especially the rapid growth of my country's spandex industry in recent years, my country's demand for PTMEG is increasing, and the demand for tetrahydrofuran has also shown a rapid growth trend.

Packaging, Supply & Commercial Information

We supply THF in drums, IBCs and bulk shipments for industrial buyers. COA and MSDS are available with each order. For bulk procurement, please request the current THF price, tetrahydrofuran price, tetrahydrofuran price per ton or tetrahydrofuran market price based on your required grade and destination.

Why buy from Greenchem International?

Stable export supply and strict quality control.
Flexible packaging for trial and bulk orders.
Technical support for solvent selection and application matching.
Reliable service for industrial formulators and distributors.

Safety & Handling

THF is highly flammable and forms peroxides during storage if exposed to air and light. Store in tightly sealed containers, use in well-ventilated areas and follow MSDS handling guidance.

Ordering & Inquiry

To buy tetrahydrofuran (CAS 109-99-9) or request COA, MSDS and a competitive tetrahydrofuran price, please send your required grade, quantity and delivery port.