1,4-butanediol (BDO) is an important organic and fine chemical raw material. It is widely used in the fields of medicine, chemical industry, textile, papermaking, automobile and daily chemical industry. Tetrahydrofuran (THF), polybutylene terephthalate (PBT) - GBL and PU resin, coatings and plasticizers, as well as brighteners for solvent and electroplating industry.
Physical and Chemical Properties
THF is a colorless transparent liquid and THF density is 089gcm3melting point is 1085boiling point is 66flash point 14 CC refractive index is 1465 20 structure C4H8O
THF Acute toxicity LD501650mgkg rat transoral LC5021000ppm Rat inhalation 3h
THF is soluble in water ethanol ether acetone benzene etc mainly used as solvent chemical synthesis intermediates analytical reagents
Tetrahydrofuran THF Uses
Tetrahydrofuran as a fine reaction intermediate can be used as a natural flavor enhancer for tetrahydrothiophene
Tetrahydrofuran is used in medicine to produce carbetapentane citrate progesterone rifumycin etc
Tetrahydrofuran can be used in chemical production to prepare polytetrahydrofuran tetrahydrothiophene 1 4dichlorobutane 2 3dichlorotetrahydrofuran valerolactone ethanediamine 1 4butanediolgammabutyrolactone and many other chemical products
Tetrahydrofuran can also be used as high energy fuel acetylene extraction solvent electroplating coating liquid precision tape cleaning agent leather surface finishing agent light stabilizer of molecular materials etc
The most important use of THF tetrahydrofuran is to produce PTMEG According to rough statistics about 80 of THF in the world is used to produce PTMEG and PTMEG is mainly used to produce spandex fiber
Phosphoric acid, is a mineral (inorganic) acid having the chemical formula H3PO4. Orthophosphoric acid molecules can combine with themselves to form a variety of compounds which are also referred to as phosphoric acids, but in a more general way.
Melting point -43 C
Boiling point 126-128 C (lit.)
Density 0.975 g / mL at 25 C (lit.)
Vapor density 4.1 (vs air)
Vapor pressure 10 mm Hg (23.8 C)
Refractive index n20 / D 1.384 (lit.)
Flash point of 88 F
Storage conditions Flammables area.
Tetrahydrofurfuryl alcohol
Chemical name tetrahydro 2 furan methanol thfa
It a kind of good flux solvent in electronic chemicals and flux industry
Its lipids are used as plasticizer, also solvent for resin, coating and grease
It can be used for making dihydrofuran, tetrahydrofuran , lysine
It raw material for long effective vatamin b
In dyeing an printing industry, it used for lubricant, and dispersing agent
For making fatty acid and tallot oil, thfa is decolorizer and deodorant.
Uses:
Maleic anhydride is mainly used in the production of unsaturated polyesters, pesticides, coatings, and various additives and fine chemicals. In addition, Maleic anhydride is also an organic raw material for producing 1,4-butanediol, tetrahydrofuran, plasticizer, fumaric acid, ect.
Package:
In PP woven bags (lined with PE film), net weight 25 kg.
