Alpha-manufacture,factory,supplier from China

(Total 24 Products for Alpha)
Products Description of 2,4-Difluoro-alpha-(1H-1,2,4-triazolyl)acetophenone CAS#86404-63-9Pharmaceutical Chemical Intermediates2,4-Difluoro-alpha-(1H-1,2,4-triazolyl)acetophenone Chemical PropertiesMelting point 103-107 °C(lit.)Boiling point 388.0±52.0 °C(Predicted)density 1.39±0.1 g/cm3(Predicted)storage temp. 2-8°Csolubility Chloroform (Slightly), Methanol (Slightly)form Solidpka2.05±0.10(Predicted)color White to pale brownCAS DataBase Reference86404-63-9(CAS DataBase Reference)Safety InformationSafety Statements 24/25WGK Germany 3HS Cod
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Products Description of 1,2-O-Isopropylidene-Alpha-D-Xylofuranose CAS#20031-21-41,2-O-isopropylidene-α-D-xylofuranose can be used to prepare 3-deoxy-1,2-O-isopropylidene-D-xylofuranose. 3-Deoxy-1,2-O-isopropylidene-D-xylofuranose is a chiral intermediate for the synthesis of atorvastatin to produce the pharmacological side chain.
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Poly(oxy-1,2-ethanediyl), .Alpha.-Hydro-.Omega.-Hydroxy-, Mono-C12-14-Alkyl Ethers, Phosphates CAS#68511-37-5The molecular structure contains polyoxyethylene segments, hydroxyl groups, C12-14 alkyl ether and phosphate groups. This unique structure enables it to have multiple properties. It has good surface activity, can reduce the surface tension of the liquid, and play the role of emulsification, dispersion and wetting at the interface.
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Products Description of BISPHENOL A ETHOXYLATE DIMETHACRYLATE CAS#41637-38-1Colorless liquidBISPHENOL A ETHOXYLATE DIMETHACRYLATE Chemical Propertiesdensity 1.12 g/mL at 25 °C(lit.)refractive index n20/D 1.532Fp >230 °Fstorage temp. 2-8°CEPA Substance Registry SystemPoly(oxy-1,2-ethanediyl), .alpha.,.alpha.'-[(1-methylethylidene)di-4,1-phenylene]bis[.omega.-[(2-methyl-1-oxo-2-propenyl)oxy]- (41637-38-1)Safety InformationHazard Codes XiRisk Statements 36/37/38-43Safety Statements 26-36WGK Germany 3 Factory and Equ
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Products Description of D-(-)-ERYTHROSE CAS#583-50-6D-erythrose-4-phosphate is an intermediate in the enzymatic conversion of carbohydrates.D-(-)-ERYTHROSE Chemical PropertiesMelting point <25℃Boiling point 144.07°C (rough estimate)alpha D20 +1° -14.5° (3 days, c = 11)density 1.0500 (rough estimate)refractive index 1.498storage temp. 2-8°Csolubility Methanol, Waterform syruppka12.49±0.20(Predicted)color light yellowWater Solubility Fully miscible in water.Sensitive HygroscopicMerck 14,3690BRN 1721698CAS DataBase Reference
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Products Description of O-Phenylphenoxyethyl Acrylate CAS#72009-86-0White powderO-Phenylphenoxyethyl Acrylate Chemical Propertiesvapor pressure 0Pa at 20℃Water Solubility 30mg/L at 20℃InChIInChI=1S/C17H16O3/c1-2-17(18)20-13-12-19-16-11-7-6-10-15(16)14-8-4-3-5-9-14/h2-11H,1,12-13H2InChIKeyVAZQKPWSBFZARZ-UHFFFAOYSA-NSMILESC(OCCOC1=CC=CC=C1C1=CC=CC=C1)(=O)C=CLogP3.68EPA Substance Registry SystemPoly(oxy-1,2-ethanediyl), .alpha.-(1-oxo-2-propenyl)-.omega.-([1,1'-biphenyl]-2-yloxy)- (72009-86-0)Factory and Equipment ShowFast delivery timeInventory 2-3 working days New production
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POLY(ETHYLENE GLYCOL) METHYL ETHER ACRYLATE Chemical PropertiesMelting point 6-7 °C(lit.)density 1.09 g/mL at 25 °C(lit.)Fp >230 °Fstorage temp. -20°Cform Granular Solidcolor White to off-whiteWater Solubility Soluble in waterEPA Substance Registry SystemPoly(oxy-1,2-ethanediyl), .alpha.-(1-oxo-2-propenyl)-.omega.-methoxy- (32171-39-4)Safety InformationHazard Codes TRisk Statements 45-46Safety Statements 53-36/37/39-24/25-22-45WGK Germany 3TSCA YesHS Code 39072090Factory and Equipment ShowFast delivery
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Products Description of O,O-Dimethyl phosphoramidothioate CAS#17321-47-0 Spermine is a kind of polyamine, a polyamine substance containing two amino groups and two imino groups. It is a low molecular weight aliphatic nitrogenous base with biological activity produced in the process of biological metabolism.
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Dimethyl carbonate  CAS#616-38-6Dimethyl carbonate is quickly referred to as DMC. At room temperature, it is a colorless and obvious liquid with a pungent smell with a relative density (D204) of 1.0694, a melting factor of four °C, boiling factor of 90.3 °C, the flash factor being 21.7 °C (opening) and being 16.7 °C (closed ) and the refractive index (nd20) being 1.3687.
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Products Description of  2-Phosphonobutane-1,2,4-tricarboxylic acid CAS#37971-36-12-Phosphonobutane-1,2,4-tricarboxylic acid (PBTC) is the latest generation of internationally popular phosphonic acid. It is one of the most widely used and best-performing products in the compounding of high-efficiency scale and corrosion inhibitors. This product is particularly suitable for water conditions with high temperature, high hardness, high alkalinity, high pH, and high concentration ratio.
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Products Description of 2,4,5-Trimethoxybenzaldehyde CAS#4460-86-02,4,5-Trimethoxybenzaldehyde is mainly used to prepare asarone. α-Asarone is mainly found in the volatile oils of natural products such as Acorus calamus. It has sedative, prolonged hypnotic and antibacterial effects. It is clinically used to treat mental illnesses such as chronic bronchitis, epilepsy, and coma.
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Products Description of Sulfolane 99.5% CAS#126-33-0Sulfolane solvent has high solubility for aromatics, good selectivity, good thermal stability, low vapor pressure, low toxicity and no corrosion to carbon steel.
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Products Description of Tributyl phosphate CAS#126-73-8Colorless, transparent liquid with pungent odor, flash point 193℃, boiling point 289℃ (101KPa), viscosity 3.5~12.2 centipoise, refractive index 1.4226 (20℃). It is miscible with common organic solvents and slightly soluble in water. The solubility of water in this product is 7% (25℃). But it will gradually hydrolyze as the temperature rises.
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Products Description of Ammonium dihydrogen phosphate CAS#7722-76-1Diammonium phosphate is a highly effective fertilizer widely used in vegetables, fruits, rice and wheat.Ammonium dihydrogen phosphate Chemical PropertiesMelting point 190 °C (dec.) (lit.)Boiling point 87.4 °Cdensity 1.02 g/mL at 20 °Cvapor pressure 0.066 hPa (125 °C)RTECS TC6587000storage temp. Inert atmosphere,Room Temperaturesolubility H2O: 0.1 M at 20 °C, clear, colorlessform SolidSpecific Gravity1.803color White or colorlessPH Range3.8 - 4.4PH3.
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Products Description of 3,4-Dimethylpyrazole phosphate CAS#202842-98-63,4-Dimethyl-1H-pyrazole dihydrogen phosphate is a yellow or white crystalline powder substance, which can be used as a new type of nitrification inhibitor and can be used in solid and liquid fertilizers.3,4-Dimethylpyrazole phosphate Chemical PropertiesMelting point 167-169°Cstorage temp. Inert atmosphere,2-8°Csolubility Methanol (Slightly), Waterform Solidcolor White to Pale BeigeStability:HygroscopicFactory and Equipment ShowFast transport timeInventory 2-3 working days New man
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Products Description of DL-Menthol CAS#89-78-1 Menthol is a chemical agent. It is extracted from the leaves and stems of mint. It is a white crystal with a molecular formula of C10H20O. It is the main component of mint and peppermint essential oils. In the world, China and Brazil are the main natural mint producers, and the annual output of mint oil reaches 2000-3000 tons. Menthol and racemic menthol can be used as flavoring agents for toothpaste, perfume, beverages and candies.
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Products Description of DMI CAS#80-73-91,3-dimethyl-2-imidazolinone, also known as dimethylethylene urea, referred to as 1,3-dimethyl-2-imidazolinone, is a polar solvent with a high boiling point, Chemicalbook, It has high flash point, low melting point, extremely low toxicity, extremely low pollution and strong solubility.
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Products Description of 1,2,3-1H-Triazole CAS#288-36-8Crystallization.
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Products Description of Dioctyl terephthalate CAS#6422-86-2Dioctyl terephthalate (DOTP) is a high-performance main plasticizer for polyvinyl chloride (PVC) plastics. Compared with the commonly used diisooctyl phthalate (DOP), it has the advantages of heat resistance, cold resistance, low volatility, anti-extraction, flexibility and good electrical insulation performance. It shows excellent durability, soap water resistance and low-temperature flexibility in the products.
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Products Description of 2-(4-FLUORO-PHENYL)-PIPERAZINE CAS#65709-33-32-(4-Fluorophenyl)-piperazine is a common pharmaceutical intermediate.2-(4-FLUORO-PHENYL)-PIPERAZINE CAS#65709-33-3 Chemical PropertiesMelting point 111-114°CBoiling point 287.2±35.0 °C(Predicted)density 1.079±0.06 g/cm3(Predicted)storage temp. 2-8°Csolubility DMF: 30 mg/ml; DMF:PBS(pH7.2) (1:2): 0.33 mg/ml; DMSO: 30 mg/ml; Ethanol: 30 mg/mlform A crystalline solidpka8.76±0.40(Predicted)Safety Information HS Code 2933599590Product Application of 2-(4-FLUORO-PHENYL)-PIPERA
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Products Description of 4-(3-AMINOPHENYL)-2-METHYLPYRIMIDINE CAS#175201-90-83-(2-Methylpyrimidine)aniline is a chemical.CAS No.
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Products Description of 1-Ethylpiperazine CAS#5308-25-8N-Ethylpiperazine (EPA) is one of the piperazine derivatives. As a pharmaceutical intermediate and fine chemical, it is widely used in pharmaceutical and organic synthesis. It is mainly used to synthesize ethyl ciprofloxacin antibiotics. It is also used as a synthetic raw material for dyes and plant protection agents. It is also widely used in fungicides and surfactants.
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Products Description of 5-Methoxy-2-Tetralone CAS#32940-15-15-Methoxy-2-tetralinone is a chemical intermediate with a molecular formula of C11H12O2 and a molecular weight of 176.21.5-Methoxy-2-tetralone Chemical PropertiesMelting point 32-36 °C (lit.)Boiling point 165°C/10mmHg(lit.)density 1.124±0.06 g/cm3(Predicted)vapor pressure 0.059Pa at 25℃Fp >230 °Fstorage temp. Keep in dark place,Sealed in dry,Room Temperaturesolubility Chloroform, Dichloromethane, Ethyl Acetate, Methanolform Solidcolor Yellowish OrangeBRN 1451623InChIKeyMDA
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Products Description of 5-Methoxy-2-tetralone CAS#32940-15-1Light yellow or light red solid.5-Methoxy-2-tetralone Chemical PropertiesMelting point 32-36 °C (lit.)Boiling point 165°C/10mmHg(lit.)density 1.124±0.06 g/cm3(Predicted)vapor pressure 0.059Pa at 25℃Fp >230 °Fstorage temp. Keep in dark place,Sealed in dry,Room Temperaturesolubility Chloroform, Dichloromethane, Ethyl Acetate, Methanolform Solidcolor Yellowish OrangeBRN 1451623InChIKeyMDAIAXRTLTVEOU-UHFFFAOYSA-NLogP1.8 at 25℃CAS DataBase Reference32940-15-1(CAS DataBase Refer
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Introduction2-ethyl-3-hydroxy-6-methylpyridine, also known as 2-ethyl-6-methyl-3-pyridinol, is a chemical compound with the molecular formula C8H11NO. Its CAS number is 2364-75-2. This compound is widely used in the chemical industry as a building block for the synthesis of various chemicals. In this article, we will discuss the properties, uses, and synthesis of 2-ethyl-3-hydroxy-6-methylpyridine.Properties2-ethyl-3-hydroxy-6-methylpyridine is a white to off-white crystalline powder with a melting point of 88-92°C. It is soluble in water, ethanol, and other organic solvents.
Industrialization of TrehaloseTrehalose is a stable non-reducing disaccharide consisting of two glucose molecules with an α, α, 1, 1-glycosidic bond. Trehalose was originally extracted from the ergot fungus of rye and was subsequently found to be widespread in natural flora, fauna and microorganisms, especially in fungi, algae, mosses and invertebrates. Trehalose is white crystal, a molecule of trehalose contains two molecules of crystal water, soluble in water, glacial acetic acid and hot ethanol, insoluble in ether, acetone.
3-Amino-pyridine-2-carboxylic acid amide Introduction3-Amino-pyridine-2-carboxylic acid amide, also known as 2-carbamoyl-3-aminopyridine, is an important chemical intermediate used in the synthesis of various pharmaceuticals and agrochemicals. Its chemical formula is C6H7N3O2 and its CAS number is 50608-99-6.
Urotropine, also known as hexamethylenetetramine, is a polycyclic heterocyclic compound with similar structure to adamantane, and the molecular formula is c6h12n4. Urotropine is a white crystal, which can be prepared by the reaction of formaldehyde and ammonia. The molecule contains four mutually fused triazane rings. It is limited soluble in water and easily soluble in most organic solvents.Urotropine is widely used. It can be used as raw materials for organic synthesis, analytical chemical reagents, antibiotics and fuels, and also has many uses in chemical production.
The Introduction of Zirconium Silicate PowderZirconium Silicate Powder Characteristics:Zirconium Silicate Powder has a high refractive index of 1.93-2.01 and stable chemical properties,It is a high-quality and inexpensive opacifier. It is widely used in the production of various building ceramics, sanitary ceramics, ceramics for daily use, first-class crafts and  ceramics, etc.
Niacinamide, also called nicotinamide, is an amide substance of niacin. White crystalline powder; odorless or nearly odorless, bitter in taste; slightly hygroscopic. Soluble in water or ethanol, soluble in glycerol.Because nicotinamide is a B vitamin derivative, as well as nicotinamide is additionally a component of coenzymes, it is an essential part of the body as a coenzyme of several dehydrogenases.
The sugar that people often eat in daily life is extracted from sugarcane, sugar beet and other plants. There are also some substances in the plant kingdom that are sweeter than sucrose. Stevia, native to South America, is 200 to 300 times sweeter than sucrose; the West African bamboo skewers in the tropical forests of Africa are 3000 times sweeter than sucrose; there is also a vine plant of Dioscorea nigra with the sweetness of the fruit. 90,000 times that of sucrose.However, these substances, which are thousands of times sweeter than sucrose, are rarely seen.
New Use of Poly-L-lactic Acid as Shape Memory MaterialBackground techniqueBiopolymer is an important medical polymer material with good biodischarge and bioabsorbability advantages. It has been widely used in outdoor fixation, tissue engineering stents, operation lines, drug control, etc. Polylactic acid is usually synthesized by the ring polymerization method of lactide. According to the difference of optical ring-opening polymerization, the lactide properties are divided into D-lactide properties, L-lactide properties and DL-lactide properties.
Sodium Lauryl Sulfate (SLS)Sodium Lauryl Sulfate (CAS No.: 751-21-3), is a white or light yellow slightly sticky substance, which is often used in the detergent and textile industries in industry. It is an anionic surfactant.
Sericin protein is a natural macromolecular protein wrapped on the surface of silk fibroin. It is mainly secreted by the silk glands of silkworms and is one of the main proteins that make up the silkworm cocoon.
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