Product name:Formamide
CAS: 75-12-7
Molecular Formula: CH3NO
Molecular Weight: 45.04
Product description:Formamide has lively reactivity and special dissolving ability, can be used as organic synthetic raw material, paper treatment agent, softening agent, fiber industry gelatin softener, also used as analytical reagent determining amino acid content in rice. In organic synthesis, medicine use, in pesticides, dyes, pigments, spices, additive aspect also has many USES. Is also a good organic solvent, it is mainly used for spinning and ion exchange resin in the copolymer of acrylonitrile, and plastic antistatic finishing or conductive coating, etc. In addition, also used for separation of chlorosilane, refined oil, etc. Formamide can produce a variety of reaction, besides by three hydrogen reaction, also can undertake dehydration, CO, introducing the amino, introduce the acyl and cyclization reaction.
2017年8月2日星期三
2017年7月29日星期六
Triphenyl phosphite
Product name:Triphenyl phosphite
CAS: 101-02-0
Molecular Formula: C18H15O3P
Molecular Weight: 310.29
Product description:Colorless to light yellow transparent liquid, slight phenol smelly, insoluble in water, hydrolysis in moisture easily generate free phenol, soluble in alcohol, ether, benzene and acetone and other organic solvents, the uv absorption.Used as a stabilizer of synthetic rubber and resin, polyvinyl chloride (PVC) plastic antioxidants and the raw material of alkyd resin and pesticide intermediates. As cellulose resin, vinyl resin, natural rubber and synthetic rubber flame retardant plasticizer. This volatility is low, flame retardant with high efficiency, excellent mechanical properties retention, transparency, softness and toughness. Mainly used for nitrocellulose, cellulose acetate membrane (such as film film base) and membrane plastic flame retardant plasticizer, also can be used as in viscose fiber as camphor incombustible substitution.
CAS: 101-02-0
Molecular Formula: C18H15O3P
Molecular Weight: 310.29
Product description:Colorless to light yellow transparent liquid, slight phenol smelly, insoluble in water, hydrolysis in moisture easily generate free phenol, soluble in alcohol, ether, benzene and acetone and other organic solvents, the uv absorption.Used as a stabilizer of synthetic rubber and resin, polyvinyl chloride (PVC) plastic antioxidants and the raw material of alkyd resin and pesticide intermediates. As cellulose resin, vinyl resin, natural rubber and synthetic rubber flame retardant plasticizer. This volatility is low, flame retardant with high efficiency, excellent mechanical properties retention, transparency, softness and toughness. Mainly used for nitrocellulose, cellulose acetate membrane (such as film film base) and membrane plastic flame retardant plasticizer, also can be used as in viscose fiber as camphor incombustible substitution.
N-Methylacetamide for sale
Product name:N-Methylacetamide
CAS: 79-16-3
Molecular Formula: C3H7NO
Molecular Weight:73.09
Product description:By reaction with methylamine and ethyl acetate. Mixture of ethyl acetate and 65% of methylamine, heated to around 60 ℃, the reaction of 4, day and night to no longer have statified phenomenon, namely the reaction finished. Vacuum distillation recycling ethanol, collected 95-110 ℃ (4.0 kPa) fraction and N - methyl ethyl amide.1. Because it has dissolved organic matter other excellent properties so commonly used as a solvent in organic synthesis, in the pharmaceutical industry is used more widely, such as synthesis of cephalosporins, it is used and as a solvent. N - methyl ethyl amide have catalytic effect, for some chemical reactions in nonpolar solvent is a deacidifying agent, so the current widely used. 2. Used as a pesticide intermediates.
CAS: 79-16-3
Molecular Formula: C3H7NO
Molecular Weight:73.09
Product description:By reaction with methylamine and ethyl acetate. Mixture of ethyl acetate and 65% of methylamine, heated to around 60 ℃, the reaction of 4, day and night to no longer have statified phenomenon, namely the reaction finished. Vacuum distillation recycling ethanol, collected 95-110 ℃ (4.0 kPa) fraction and N - methyl ethyl amide.1. Because it has dissolved organic matter other excellent properties so commonly used as a solvent in organic synthesis, in the pharmaceutical industry is used more widely, such as synthesis of cephalosporins, it is used and as a solvent. N - methyl ethyl amide have catalytic effect, for some chemical reactions in nonpolar solvent is a deacidifying agent, so the current widely used. 2. Used as a pesticide intermediates.
Basic Fuchsine price
Product name:Basic Fuchsine
CAS: 58969-01-0
Molecular Formula: C20H20N3Cl·4H2O
Molecular Weight: 347.4158
Product description:Saute the aniline, toluidine and o-toluidine and nitrobenzene, ferrous chloride fused together, oxidative condensation, and then extracted with sulfuric acid to dissolve, then through neutralization, salting out, filtration and drying for a quick finished products.1. Used for cotton, synthetic fiber, paper, leather, printing and dyeing, also used in paint, ink, etc. 2. To make schiffer reagents detect aldehyde. Used for extraction spectrophotometric determination of Au3 +. Also used to test bromide spectrophotometry, nitrite, and sulfur dioxide. Used as a great inhibitors in polarographic analysis. Also used as a biochemical analysis of nuclear dye. 3. Used for paper, soap, feathers, straw, bamboo, wood such as shading and manufacturing lake.
CAS: 58969-01-0
Molecular Formula: C20H20N3Cl·4H2O
Molecular Weight: 347.4158
Product description:Saute the aniline, toluidine and o-toluidine and nitrobenzene, ferrous chloride fused together, oxidative condensation, and then extracted with sulfuric acid to dissolve, then through neutralization, salting out, filtration and drying for a quick finished products.1. Used for cotton, synthetic fiber, paper, leather, printing and dyeing, also used in paint, ink, etc. 2. To make schiffer reagents detect aldehyde. Used for extraction spectrophotometric determination of Au3 +. Also used to test bromide spectrophotometry, nitrite, and sulfur dioxide. Used as a great inhibitors in polarographic analysis. Also used as a biochemical analysis of nuclear dye. 3. Used for paper, soap, feathers, straw, bamboo, wood such as shading and manufacturing lake.
Xylenol orange price
Product name:Xylenol orange
CAS: 1611-35-4
Molecular Formula: C31H32N2O13S
Molecular Weight: 672.6564
Product description:Red brown crystalline powder. Easy to moisture absorption. Soluble in water, insoluble in ethanol. 210 ℃ decomposition. Maximum absorption wavelength of 580 nm. Xylenol orange as the indicator, often with a 0.2% aqueous solution used, pH > 6.3, red; PH < 6.3, it shows yellow; Ph = pka = 6.3, rendering the middle color. Xylenol orange and metal ion complexes are formed by the red purple, so it only applies to the pH < 6 in acidic solution.Used as a ph indicator and the determination of bismuth, thorium, lead, cobalt, copper, iron, aluminum complex indicator.
CAS: 1611-35-4
Molecular Formula: C31H32N2O13S
Molecular Weight: 672.6564
Product description:Red brown crystalline powder. Easy to moisture absorption. Soluble in water, insoluble in ethanol. 210 ℃ decomposition. Maximum absorption wavelength of 580 nm. Xylenol orange as the indicator, often with a 0.2% aqueous solution used, pH > 6.3, red; PH < 6.3, it shows yellow; Ph = pka = 6.3, rendering the middle color. Xylenol orange and metal ion complexes are formed by the red purple, so it only applies to the pH < 6 in acidic solution.Used as a ph indicator and the determination of bismuth, thorium, lead, cobalt, copper, iron, aluminum complex indicator.
What is Monostearin
Product name:Monostearin
CAS: 123-94-4
Molecular Formula: C21H42O4
Molecular Weight: 358.56
Product description:White or yellowish waxy solid, has a pleasant smell, the smell of fat. Soluble in hot organic solvents, such as ether, benzene, acetone and mineral oil, insoluble in water. But in the presence of a small amount of surfactant, can be dispersed in water. Median lethal dose (200 mg/kg mice, the abdominal cavity). Goods are often single palmitic acid glycerol monostearate and glycerol ester mixture. Monoglycerides is water-in-oil type emulsifier, sharp shock hitches in hot water and emulsification. Molecular distilled monoglycerides than crude ester with high purity, color white, emulsification effect is good. The emulsification and preservation effect of more than two times the coarse monoglycerides, bread amylose composite index can be from a coarse monoglycerides 28 92.As emulsifier and surfactant in food or in cosmetics, plastic products inside and outside the lubricant.
CAS: 123-94-4
Molecular Formula: C21H42O4
Molecular Weight: 358.56
Product description:White or yellowish waxy solid, has a pleasant smell, the smell of fat. Soluble in hot organic solvents, such as ether, benzene, acetone and mineral oil, insoluble in water. But in the presence of a small amount of surfactant, can be dispersed in water. Median lethal dose (200 mg/kg mice, the abdominal cavity). Goods are often single palmitic acid glycerol monostearate and glycerol ester mixture. Monoglycerides is water-in-oil type emulsifier, sharp shock hitches in hot water and emulsification. Molecular distilled monoglycerides than crude ester with high purity, color white, emulsification effect is good. The emulsification and preservation effect of more than two times the coarse monoglycerides, bread amylose composite index can be from a coarse monoglycerides 28 92.As emulsifier and surfactant in food or in cosmetics, plastic products inside and outside the lubricant.
Amprolium hydrochloride price
Product name:Amprolium hydrochloride
CAS: 137-88-2
Molecular Formula: C14H20Cl2N4
Molecular Weight: 315.24
Product description:White or kind of white powder, odourless or almost odourless. Soluble in water, methanol and ethanol, slightly soluble in ether, insoluble in chloroform. Aqueous solution (1 + 10) PH 2.5 3.0. Mixed in the feed, especially under the condition of neutral slow decomposition, decomposition of heated to 248-249 ℃.Due to ammonia c Lin structure similar to thiamine, can produce competitive antagonism effect, if the ammonia c Lin drug concentration is too high, can cause chicks thiamine deficiency to perform multiple neuritis, increase feed thiamine is can make the chicken group rehabilitation, but significantly affect the activity of ammonia c Lin ball insect resistance. It is alleged that feed thiamine content in more than 10 mg per kilogram, ball insect resistant effect of chloropropanol moiety is starting to wane.
CAS: 137-88-2
Molecular Formula: C14H20Cl2N4
Molecular Weight: 315.24
Product description:White or kind of white powder, odourless or almost odourless. Soluble in water, methanol and ethanol, slightly soluble in ether, insoluble in chloroform. Aqueous solution (1 + 10) PH 2.5 3.0. Mixed in the feed, especially under the condition of neutral slow decomposition, decomposition of heated to 248-249 ℃.Due to ammonia c Lin structure similar to thiamine, can produce competitive antagonism effect, if the ammonia c Lin drug concentration is too high, can cause chicks thiamine deficiency to perform multiple neuritis, increase feed thiamine is can make the chicken group rehabilitation, but significantly affect the activity of ammonia c Lin ball insect resistance. It is alleged that feed thiamine content in more than 10 mg per kilogram, ball insect resistant effect of chloropropanol moiety is starting to wane.
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