Product name:Estazolam
CAS: 29975-16-4
Molecular Formula: C16H11ClN4
Molecular Weight: 294.74
Product description:1. Have anti-anxiety, sedative hypnotic effect, applies to zhuo benzodiazepine receptors, strengthen the GABA receptor action within the central nervous, affect the function of the limbic system and antianxiety. Can obviously shorten or cancel the NREM sleep stage 4, inhibits the activation of the reticular structure, has sedative hypnotic effect to people. 2. The anticonvulsive effect: within a center can inhibit epilepsy 癎 lesions abnormal discharge of diffusion but can't stop the abnormal discharge. 3. Skeletal muscle relaxation effect: a small dose can inhibit or reduce the reticular structure of spinal motor neurons facilitation effect, large doses can promote presynaptic inhibition of spinal cord, inhibit the polysynaptic reflex.
2017年7月14日星期五
Isonicotinic acid price
Product name:Isonicotinic acid
CAS: 55-22-1
Molecular Formula: C6H5NO2
Molecular Weight: 123.102
Product description:The water of crystallization for white odorless crystalline. Slightly soluble in water.Heated to 260 ℃ in the oxidation of fluidized bed reaction tower, the catalyst vanadium pentoxide activation 12 h, preheat temperature to 255 ~ 260 ℃, then add 4 - methyl pyridine, the preheating gasification mixed with steam, air, into the oxidation tower, the reaction of isonicotinic acid powder collected by the cyclone separation, via condensation reaction exhaust absorbed with dilute hydrochloric acid circulation, with recovery unreacted 4 - methyl pyridine and entrainment isonicotinic acid.It is mainly used for anti-tb drugs isoniazid, also used in the synthesis of amide, hydrazine, esters and other derivatives.
CAS: 55-22-1
Molecular Formula: C6H5NO2
Molecular Weight: 123.102
Product description:The water of crystallization for white odorless crystalline. Slightly soluble in water.Heated to 260 ℃ in the oxidation of fluidized bed reaction tower, the catalyst vanadium pentoxide activation 12 h, preheat temperature to 255 ~ 260 ℃, then add 4 - methyl pyridine, the preheating gasification mixed with steam, air, into the oxidation tower, the reaction of isonicotinic acid powder collected by the cyclone separation, via condensation reaction exhaust absorbed with dilute hydrochloric acid circulation, with recovery unreacted 4 - methyl pyridine and entrainment isonicotinic acid.It is mainly used for anti-tb drugs isoniazid, also used in the synthesis of amide, hydrazine, esters and other derivatives.
2017年7月12日星期三
What is Urea
Product name:Urea
CAS: 57-13-6
Molecular Formula: H2NCONH2
Molecular Weight: 60.06
Product description:A composed of carbon, nitrogen, oxygen and hydrogen organic compounds, molecular formula for H2NCONH2. Also known as urea, carbon amide, carbamide urea, white odourless solid, melting point 133-135 ℃, relative density 1.323 (20/4 ℃), soluble in water and ethanol, strong thermal decomposition into ammonia and carbon dioxide. In 1773 by the Lyle ROM el (Hilaire Rouelle) found. Creatures with carbon dioxide, water, aspartic acid and ammonia and other chemical synthesis of urea.A fine chemical fertilizer, after applied into the soil under the effect of urease, slow hydrolysis release ammonia and carbon dioxide, absorbed by plants. (soy contains a large amount of urease, is the first time obtains the crystal type of enzyme, is very important in the development of biochemistry) it is also an important chemical raw material manufacturing drugs and plastic.
CAS: 57-13-6
Molecular Formula: H2NCONH2
Molecular Weight: 60.06
Product description:A composed of carbon, nitrogen, oxygen and hydrogen organic compounds, molecular formula for H2NCONH2. Also known as urea, carbon amide, carbamide urea, white odourless solid, melting point 133-135 ℃, relative density 1.323 (20/4 ℃), soluble in water and ethanol, strong thermal decomposition into ammonia and carbon dioxide. In 1773 by the Lyle ROM el (Hilaire Rouelle) found. Creatures with carbon dioxide, water, aspartic acid and ammonia and other chemical synthesis of urea.A fine chemical fertilizer, after applied into the soil under the effect of urease, slow hydrolysis release ammonia and carbon dioxide, absorbed by plants. (soy contains a large amount of urease, is the first time obtains the crystal type of enzyme, is very important in the development of biochemistry) it is also an important chemical raw material manufacturing drugs and plastic.
How to buy Potassium fluoride
Product name:Potassium fluoride
CAS: 7789-23-3
Molecular Formula: FK
Molecular Weight: 58.0967
Product description:White monoclinic crystalls or crystal powder. Taste salty. Easy to moisture absorption. Soluble in water, insoluble in ethanol. The alkaline aqueous solution, the corrosion of glass and porcelain. Relative density 2.454. Melting point is 858 ℃. Medium poison, median lethal dose (rats, through the mouth) 245 mg/kg. Stimulating.1. Used for glass sculpture, food preservative, electroplating. Can be used as a welding flux, pesticides, organic compounds, fluoride, catalyst, absorbent (HF and water absorption), etc. Is the raw material of producing potassium hydrogen fluoride. 2. Used as analytical reagent, complex formation, and used for glass sculpture and food preservative, also used as a pesticide, fluoride, etc.
CAS: 7789-23-3
Molecular Formula: FK
Molecular Weight: 58.0967
Product description:White monoclinic crystalls or crystal powder. Taste salty. Easy to moisture absorption. Soluble in water, insoluble in ethanol. The alkaline aqueous solution, the corrosion of glass and porcelain. Relative density 2.454. Melting point is 858 ℃. Medium poison, median lethal dose (rats, through the mouth) 245 mg/kg. Stimulating.1. Used for glass sculpture, food preservative, electroplating. Can be used as a welding flux, pesticides, organic compounds, fluoride, catalyst, absorbent (HF and water absorption), etc. Is the raw material of producing potassium hydrogen fluoride. 2. Used as analytical reagent, complex formation, and used for glass sculpture and food preservative, also used as a pesticide, fluoride, etc.
Lithium fluoride for sale
Product name:Lithium fluoride
CAS: 7789-24-4
Molecular Formula: LiF
Molecular Weight: 25.94
Product description:1. Lithium fluoride can be used as cosolvent is widely used in glass lining, copper, aluminum soldering process and salt melt in the learning process; Has also been recommended as a storage space technology of solar radiation heat heat-carrying agent; Can also be used for aluminium electrolysis and metallurgical industries. High purity lithium fluoride used for fluoride glass, can also be used to make the prism spectrometer and X-ray monochromator. Lithium ion battery materials. 2. The electrolyte components in aluminium electrolytic production, can improve the conductivity and current efficiency, thus improve the metal production capacity and reduce the cost, also can improve the wettability of carbon anode. In the ceramic industry has a lower combustion temperature and improve the quench heat resistance, used for welding of aluminum and aluminum alloy flux components. High purity lithium fluoride is used in making lithium fluoride glass, are also used to make the prism spectrometer and X-ray monochromator.
CAS: 7789-24-4
Molecular Formula: LiF
Molecular Weight: 25.94
Product description:1. Lithium fluoride can be used as cosolvent is widely used in glass lining, copper, aluminum soldering process and salt melt in the learning process; Has also been recommended as a storage space technology of solar radiation heat heat-carrying agent; Can also be used for aluminium electrolysis and metallurgical industries. High purity lithium fluoride used for fluoride glass, can also be used to make the prism spectrometer and X-ray monochromator. Lithium ion battery materials. 2. The electrolyte components in aluminium electrolytic production, can improve the conductivity and current efficiency, thus improve the metal production capacity and reduce the cost, also can improve the wettability of carbon anode. In the ceramic industry has a lower combustion temperature and improve the quench heat resistance, used for welding of aluminum and aluminum alloy flux components. High purity lithium fluoride is used in making lithium fluoride glass, are also used to make the prism spectrometer and X-ray monochromator.
Potassium Tetrafluoroborate
Product name:Potassium Tetrafluoroborate
CAS: 14075-53-7
Molecular Formula: BFK2O2
Molecular Weight: 140.0048
Product description:White powder, 2.50 g/cm3 density, melting point 530 ℃, slightly soluble in water and hot ethanol, does not dissolve in cold ethanol, poisonous.Used for hot welding and brazing flux, boron alloy materials, aluminum and magnesium casting production in heavy grinding wheels made abrasive binder resin used as filling material. In the weld and the fusion of silver, gold, stainless steel, can promote the dregs of net light metal. Is boron trifluoride and other fluoride salt of raw materials. Also used in the electrochemical process and reagents.
CAS: 14075-53-7
Molecular Formula: BFK2O2
Molecular Weight: 140.0048
Product description:White powder, 2.50 g/cm3 density, melting point 530 ℃, slightly soluble in water and hot ethanol, does not dissolve in cold ethanol, poisonous.Used for hot welding and brazing flux, boron alloy materials, aluminum and magnesium casting production in heavy grinding wheels made abrasive binder resin used as filling material. In the weld and the fusion of silver, gold, stainless steel, can promote the dregs of net light metal. Is boron trifluoride and other fluoride salt of raw materials. Also used in the electrochemical process and reagents.
Buy Sodium silicate
Product name:Sodium silicate
CAS: 1344-09-8
Molecular Formula: Na2SiO3·9H2O
Molecular Weight: 122.063236
Product description:Colorless crystallization of orthogonal double cone or white to pale block or powder. Can the weathering. At 100 ℃ lost 6 crystallization water molecules. Soluble in water, soluble in dilute sodium hydroxide solution, insoluble in ethanol and acid. Melting point is 1088 ℃.Coating material surface, improve its resistance to weathering ability In density is 1.35 g/cm after waterglass dipping or brushing of clay bricks, cement concrete, silicate concrete, stone and other porous materials, and can improve the compactness of material, strength and permeability resistance, frost resistance and water resistance, etc.Can be used to make acid-proof daub, used in the kiln lining of a class.
CAS: 1344-09-8
Molecular Formula: Na2SiO3·9H2O
Molecular Weight: 122.063236
Product description:Colorless crystallization of orthogonal double cone or white to pale block or powder. Can the weathering. At 100 ℃ lost 6 crystallization water molecules. Soluble in water, soluble in dilute sodium hydroxide solution, insoluble in ethanol and acid. Melting point is 1088 ℃.Coating material surface, improve its resistance to weathering ability In density is 1.35 g/cm after waterglass dipping or brushing of clay bricks, cement concrete, silicate concrete, stone and other porous materials, and can improve the compactness of material, strength and permeability resistance, frost resistance and water resistance, etc.Can be used to make acid-proof daub, used in the kiln lining of a class.
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