Tetrahydrofuran(THF)

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Product Detail

  
                  Tetrahydrofuran(THF)

CAS No.: 109-99-9
Molecular Formula: C4H8O                                        Molecular Weight:72.11
Structural Formula:
  

Tetrahydrofuran

Property:
Tetrahydrofuran (THF) is an organic compound with the formula (CH2)4O. It is a colorless, water-miscibleorganic liquid with low viscosity at standard temperature and pressure. This heterocyclic compound has the chemical formula (CH2)4O. As one of the most polar ethers with a wide liquid range, it is a useful solvent. Its main use, however, is as a precursor to polymers. THF has an odor similar to its chemical cousin, diethyl ether, but is a much less potent anesthetic than diethyl ether. 


Specifications:

Item

Indexes

Appearance

Colorless transparent liquid

Content

99.9%min

Moisture,ppm

 200max

Boiling point,?

66.5+/-0.5

Chroma(APHA)

5max


Application:
THF can be polymerized by strong acids to give a linear polymer called poly(tetramethylene ether) glycol(PTMEG), also known as PTMO, polytetramethylene oxide. The primary use of this polymer is to make elastomeric polyurethane fibers like Spandex.
The other main application of THF is as an industrial solvent for PVC and in varnishes.It is an aproticsolvent with a dielectric constant of 7.6. It is a moderately polar solvent and can dissolve a wide range of nonpolar and polar chemical compounds.THF is water-miscible, and can form solid clathrate hydrate structures with water at low temperatures.

Resin Solvent                                                   
PVC and CPVC pipe cement             
Magnetic tape manufacture               
Polyurethane fabric coaters               
Producers of Inks for plastics
Reaction Solvent               
Pharmaceutical and specialty chemicals
Alkali metals, alkylalkali and arylalkali  metal compounds  
Alkali metal, aluminum hydrides, and borohydrides
Organics with limited solubility in alcohols,  ketones, ethers
Intermediates
Manufacture of natural gas odorants   
Production of polytetramethylether
Glycols for polyurethanes and polyesters

Packing, Storage and Transportation:
Packed in metal drums; net-weighted 180kg per drums; stored in cool, dark, ventilated and dry place. Or packed in ISO-TANK.

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