2018年11月27日星期二

Vinyl sulfonate

Product name:Vinyl sulfonate
CAS: 3039-83-6
Molecular Formula: C2H3NaO3S
Molecular Weight: 130.09819
Product description:For various polymer monomer and the copolymer of reactive emulsifier, in sulpho ethyl class and other classes (such as styrene, butadiene, acrylate, etc.) with good mechanical stability of the emulsion polymerization and the stability of metal salts of emulsifying agent, the PH change of the environment has a good adaptability, the water resistance improved to a certain extent, and the dosage of various kinds of emulsifier is more economical.Is widely used in pure c, the synthesis of emulsion styrene acrylic, vinegar c to stability and resistance, and reduce the phenomenon such as shrinkage cavity and can be used in synthetic fibre, a variety of polymer monomer, sulfo ethylation additives, electroplating luster agent, surface active agent, pharmaceutical intermediates, etc.

Vinyltrichloride

Product name:Vinyltrichloride
CAS: 79-00-5
Molecular Formula: C6H18Cl3
Molecular Weight: 196.5678
Product description:Colorless liquid, has fragrant smell.Insoluble in water, but soluble in ethanol, ethyl ether, etc.1. Used as a fat, oil, wax, resin and solvents, extracting agent of dyes, spices, resin and rubber and other intermediates, agricultural pesticides, fumigants and the raw material of synthesis of 1, 1-2 vinyl chloride. Used in the production of vinylidene chloride. Also used as cellulose acetate, chlorinated rubber, natural rubber solvent. 2. Used as a solvent for organic synthesis.

Viramune

Product name:Viramune
CAS: 88255-01-0
Molecular Formula: C14H20N4O7S2
Molecular Weight: 420.46
Product description:Nevirapine with other antiretroviral medicines to treat infection Ⅳ H - 1. This medicine will soon have the same drug-resistant virus alone. Nevirapine should, therefore, has been linked to at least two or more of the other antiretroviral drugs used together. In childbirth without the use of antiretroviral therapy of pregnant women, the application of nevirapine can prevent mother-to-child transmission of Ⅳ H - 1. For prevention of mother-to-child transmission of the indications nevirapine is used alone. Pregnant women in childbirth only oral single-dose nevirapine, newborns within 72 hours after birth is only a single dose oral nevirapine.

Vitamin A

Product name:Vitamin A
CAS: 68-26-8
Molecular Formula:C20H28O
Molecular Weight:286.452
Product description:In water, soluble in water, ethanol, emulsification. And insoluble in vegetable oil, mineral oil and fat.Prevent nyctalopia and decreased visual acuity, helps in the treatment of A variety of eye diseases (vitamin A can promote the formation of intraocular photosensitive pigment).Help the immune system function normally.

Vitamin A Palmitate

Product name:Vitamin A Palmitate
CAS: 79-81-2
Molecular Formula: C36H60O2
Molecular Weight: 524.87
Product description:Pale yellow crystalline or oil solution, soluble in ethanol, soluble in ether, chloroform, acetone and oil esters, melting point 28 ~ 29 ℃.Prevent night blindness and vision loss; Contribute to the treatment of A variety of eye diseases (vitamin A can promote the formation of intraocular photosensitive pigment).

Vitamin B12

Product name:Vitamin B12
CAS:68-19-9
Molecular Formula: C63H88CoN14O14P
Molecular Weight: 1355.37
Product description:One of the B vitamins, is a kind of complex organic compounds containing cobalt. Centered on the molecular structure of cobalt ions of goo moiety and 5, 6 - dimethyl benzene ring and imidazole as nucleotide bases.

Vitamin B15

Product name:Vitamin B15
CAS: 20858-86-0
Molecular Formula: C10H19NO8
Molecular Weight: 0
Product description:Prolonging the life of the cell; Ease of alcoholism; Quickly eliminate fatigue; Reduce cholesterol levels in the blood; The body to resist pollution pollutants invasion; Ease of coronary artery stenosis and asthma symptoms; Prevent cirrhosis of the liver; To prevent a hangover; To stimulate an immune response; Help protein synthesis.