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Product Name |
1,4-Butanediol |
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Formula |
C4H10O2 |
Molecular Weight |
90.12 |
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CAS NO. |
110-63-4 |
Quantity |
1000KG |
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Items |
Specification |
Results |
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Appearance |
light yellow liquid |
Conforms |
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Assay |
≥99% |
99.1% |
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CONCLUSION |
The result conform with standard |
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Melting point 16 ° C (lit.)
Boiling point 230 ° C (lit.)
Density 1.017g/mlat25 ° C (lit.)
Vapor density 3.1 (vsair)
Vapor pressure <0.1hpa (20 ° C)
Refractive index n20/d1.445 (lit.)
Flash point 135 ° C
Storage conditions storelow+30 ° C
Acidity coefficient (PKA) 14.73 ± 0.10 (predicted)
Form liquid
Color clearcolorless
PH value 7-8 (500g/l, H2O, 20 ℃)
Odor odorless
1,4-butanediol is widely used. In the United States and Western Europe, more than half is used to produce tetrahydrofuran, followed by production γ- Butyrolactone and polybutylene terephthalate, the latter is a rapidly developing engineering plastic; 1,4-butanediol is used as chain extender and polyester raw material to produce polyurethane elastomer and soft polyurethane foam; The esters prepared from 1,4-butanediol are good plasticizers for cellulose, polyvinyl chloride, polyacrylates and polyester. 1,4-butanediol has good hygroscopic flexibility, and can be used as gelatin softener and water absorbent, and as a treatment agent for cellophane and other unused papers. It can also be used to prepare N-methyl pyrrolidone, N-vinyl pyrrolidone and other pyrrolidone derivatives. It is also used to prepare vitamin B6, pesticides, herbicides and solvents, plasticizers, lubricants, humidifiers, softness, adhesives and brighteners for electroplating industry.
