China Disel Factory Supply Fine Chemicals Intermediate 1 4-Butanediol CAS 110-63-4 Used for Intermediate Additive Top Quality, Find details about China 1 4-Butanediol, Chemical from Disel Factory Supply Fine Chemicals Intermediate 1 4-Butanediol CAS 110-63-4 Used for Intermediate Additive Top Quality
Items | Specification | Result | Remark |
Appearance | Clear liquid | Pass | Passed |
Color(APHA) | 10max | 8.0 | Passed |
Melting point(ºC) | 76-82 | 77 | Passed |
Flash point (ºC) | 111-120 | 115 | Passed |
Lgnition point (ºC) | 361-383 | 377 | Passed |
Viscosity(20ºC)(mps,2) | 103-108 | 104 | Passed |
Vapor pressura(20ºC)(Kpa) | 7.8-8.1 | 8.0 | Passed |
1,4-Buta nediol is used industrially as a solvent and in the manufacture of some types of plastics, elastic fibers and polyurethanes. In organic chemistry, 1,4-buta nediol is used for the synthesis of γ-'butyrolactone (G'BL). In the presence of p'hosphoric acid and high temperature, it dehydrates to the important solvent t'etrahydrofuran. At about 200 °C in the presence of soluble ruthenium catalysts, the diol undergoes dehydrogenation to form butyrolactone.
Almost half of it is dehydrated to t'etrahydrofuran to make fibers such as Spandex.
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