872-50-4-manufacture,factory,supplier from China

(Total 24 Products for 872-50-4)
Products Description of N-Methyl-2-pyrrolidone CAS#872-50-4N-Methylpyrrolidone is referred to as NMP, molecular formula: C5H9NO, English: 1-Methyl-2-pyrrolidinone, appearance is colorless to light yellow transparent liquid, slightly smell of ammonia, miscible with water in any proportion, soluble in ether, acetone And various organic solvents such as esters, halogenated hydrocarbons, aromatic hydrocarbons, etc., almost completely mixed with all solvents, with a boiling point of 204°C and a flash point of 91°C. It has strong hygroscopicity and stable chemical properties.
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Products Description of Formaldehyde CAS#50-00-0Formaldehyde is the simplest aldehyde molecule with active chemical properties and certain toxicity. At room temperature, it is a colorless gas with a pungent odor, which easily undergoes polymerization to form polyformaldehyde. Formaldehyde is easily soluble in water, alcohol and other organic solvents.
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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 CALCIUM TITANATE CAS#12049-50-2Calcium titanate is an inorganic substance with the chemical formula CaTiO3. It belongs to the cubic crystal system and is a basic inorganic dielectric material with excellent dielectric, temperature, mechanical and optical properties.
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Products Description of 4-Chloro-3-methylphenol CAS#59-50-7Colorless crystal. The melting point is 66°C (55.5°C), the boiling point is 235°C, 1g can be dissolved in 250ml of water at 20°C, more dissolved in hot water, and easily soluble in benzene, ether, ethanol, acetone, chloroform and petroleum ether. Can evaporate with water vapor. Used in organic synthesis, such as dyes, film preservatives, etc. Used as pharmaceutical preservative1.
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Products Description of P-Phenylenediamine CAS#106-50-3 p-Phenylenediamine, also known as Urs D, is one of the simplest aromatic diamines. The pure product is white to light purple crystals, which turn purple or dark brown when exposed to air. It is slightly soluble in cold water, soluble in ethanol, ether, chloroform and benzene.It can be used to make azo dyes, high molecular polymers, fur dyes, rubber antioxidants and photo developers.
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EDTA-4Na CAS#67401-50-7Overview:EDTA-4Na, with the chemical formula C10H19N2NaO9 and CAS number 67401-50-7, is a widely recognized chelating agent known as edta4na or 4na edta.
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Products Description of 1,3-Butanediol CAS#107-88-0Transparent colorless hygroscopic viscous liquid with a weak special taste. Almost odorless. Boiling point 207.5℃, relative density (4:1.0059, refractive index (nD20) 1.4401, freezing point <-50℃, flash point 121.1℃. Has a certain antibacterial effect.
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Products Description of AMIX 1000 CAS#68910-05-4White powderAMIX 1000 Chemical PropertieBoiling point 199.7℃ at 101.325kPadensity 1.032 at 20℃vapor pressure 6.1-27.7hPa at 20-50℃form ViscousEPA Substance Registry SystemEthanol, 2-amino-, reaction products with ammonia, by-products from (68910-05-4)Factory and Equipment ShowFast delivery timeInventory 2-3 working days New production 7-10 working days
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Products Description of D(+)-Glucose CAS#50-99-7Glucose is a six-carbon sugar containing an aldehyde group with a molecular formula of C6H12O6. It is the most important monosaccharide in living organisms. Its main function is to provide energy required for physiological activities of the body. It is known that the complete oxidation of 1 mol of glucose releases energy of 2870kJ (686kCal), accounting for 70% to 80% of the total energy required by the body.
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Products Description of Boric acid CAS#11113-50-1Boric acid is also called "orthoboric acid". It is derived from the interaction between natural borax (sodium borate) and acid. Soluble in water, ethanol and glycerin. The aqueous solution is acidic and is a monovalent weak acid. Solubility in water increases with temperature. Heated to 169℃ (±1℃), dehydration will produce metaboric acid, and 300℃ will form boric anhydride. Neutralize with strong base to obtain metaborate.
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Products Description of Guanidinehydrochloride99.5% CAS#50-01-1Guanidine hydrochloride, chemical name is carbamidine hydrochloride, is a white or slightly yellow block, almost insoluble in acetone, benzene and ether. It can be used as an intermediate for medicines, pesticides, dyes and other organic synthesis. It is an important raw material for the manufacture of sulfadiazine, sulfamethylpyrimidine, sulfadimethylpyrimidine and other drugs and folic acid.
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Products Description of Bretazenil CAS#84379-13-5Brotacetin is a partial agonist of the GABAA receptor of the benzodiazepine class. It was first developed by Roche as an antianxiety drug. Studies have found that brotacetin can counteract the spasms caused by pentamethazine. At an antispasmodic dose (125-250 μg·kg-1), brotacetin combined with pyridostigmine (100 μg·kg-1, im) and aprofen (4 mg·kg-1, im) can prevent sarin and soman poisoning. Brotacetin has good antianxiety activity at a dose of 50-400 μg·kg-1. Compared with diazepam, it has little adverse reaction of myasthenia.
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Products Description of Ethylenediaminetetraacetic acid tetrasodium salt trihydrate CAS#67401-50-7Tetrasodium EDTA is a white powder that can be used as a hard water softener, a multivalent chelating agent, a fixing solution for bleaching in color photosensitive materials, and an activator for styrene-butadiene rubber.Ethylenediaminetetraacetic acid tetrasodium salt trihydrate Chemical PropertiesMelting point >300° Cstorage temp. Store at room temperaturesolubility Soluble in water.form powdercolor WhitePH10.0 to 12.0(5 g/L, 25 deg-C)CAS DataBase Reference67401
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Products Description of HYDROXYLAMINE CAS#7803-49-8Hydroxylamine is also called "hydroxylamine". Chemical formula NH2OH. Molecular weight 33.03. Unstable white large flake or needle-shaped crystals. Very easy to absorb moisture, volatile, very soluble in water. Deliquesce in the air. Odorless, corrosive to the skin. When the concentration is 100%, 10%, 20%, 30%, 40%, 50%, the relative density of the aqueous solution is: 1.2040, 1.0192, 1.0410, 1.0637, 1.0875, 1.1122. The product decomposes in hot water and is slightly soluble in ether, benzene, carbon disulfide, and chloroform.
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2-[(4-Amino-3-methylphenyl)ethylamino]ethyl sulfate Chemical Propertiesdensity 1.5[at 20℃]vapor pressure 0.022Pa at 20℃storage temp. Keep in dark place,Sealed in dry,Room TemperatureWater Solubility 1000g/L at 20℃LogP-5.1 at 19.9℃CAS DataBase Reference25646-71-3(CAS DataBase Reference)EPA Substance Registry SystemN-[2-[(4-Amino-3-methylphenyl)ethylamino]methanesulfonamide sulfate (2:3) (25646-71-3)Safety InformationHazard Codes T,N,XnRisk Statements 25-36/37/38-43-50/53-22-34-23/24/25Safety Statements 26-36/37-45-61-60-37-24-36/37/39-27RIDADR UN 2811 6.1
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Products Description of Poly(dimethylsiloxane)CAS#9016-00-6Depending on the relative molecular mass, the appearance of polydimethylsiloxane ranges from colorless and transparent volatile liquid to extremely high viscosity liquid or silica gel. It has physiological inertness, good chemical stability, electrical insulation and weather resistance, a wide viscosity range, a low freezing point, a high flash point, good hydrophobicity, and high shear resistance. It can be used for a long time at a temperature of 50 to 180°C.
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Products Description of 4-AminophenolCAS#123-30-8Aminophenol is also known as hydroxyaniline and aminohydroxybenzene. There are three isomers, namely o-aminophenol, m-aminophenol and p-aminophenol (4-aminophenol). In 1874, Baeyer et al. first prepared p-aminophenol. Due to the different relative positions of the hydroxyl group and the amino group, the three are also different in terms of physical and chemical properties. This product is weakly alkaline, weakly acidic and strongly reducing. Because it has both amino and phenol groups, it has the common properties of both.
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Products Description of 4-Acetylpyridine CAS#1122-54-94-Acetylpyridine is an organic compound with the molecular formula C7H7NO.4-Acetylpyridine Chemical PropertiesMelting point 13-16 °C(lit.)Boiling point 212 °C(lit.)density 1.095 g/mL at 25 °C(lit.)refractive index n20/D 1.529(lit.)Fp >230 °Fstorage temp. Inert atmosphere,Room Temperaturesolubility Chloroform, Ethyl Acetateform LiquidpkapK1: 3.505(+1) (25°C)Specific Gravity1.110 (20/4℃)color brown-yellowishWater Solubility insolubleBRN 107629InC
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Products Description of 3-Methoxythiophene CAS#17573-92-13-Methoxythiophene is an important intermediate in organic synthesis.3-Methoxythiophene Chemical PropertiesMelting point 49-50 °C(Solv: ethyl ether (60-29-7); ligroine (8032-32-4))Boiling point 80-82 °C/65 mmHg (lit.)density 1.143 g/mL at 25 °C (lit.)refractive index n20/D 1.532(lit.)Fp 121 °Fstorage temp. Keep in dark place,Inert atmosphere,2-8°Cform Liquidcolor Clear light brownSensitive Air SensitiveBRN 106404LogP1.810 (est)CAS DataBase Reference17573-92-1(CAS DataB
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Products Description of 4-Methylmorpholine CAS#109-02-4N-methylmorpholine is an important organic chemical intermediate. It is an excellent solvent, emulsifier, corrosion inhibitor, polyurethane foam catalyst, and can also be used as a pesticide intermediate.
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Dimethylolurea Chemical PropertiesMelting point 125 °C (dec.)(lit.)Boiling point 224.08°C (rough estimate)density 1.34refractive index 1.4610 (estimate)Fp 100 °Cstorage temp. 2-8°Cpka12.14±0.46(Predicted)form powder to crystalcolor White to Almost whiteWater Solubility 150 g/LMerck 14,6968BRN 1811870InChIKeyQUBQYFYWUJJAAK-UHFFFAOYSA-NLogP-2.610 (est)CAS DataBase Reference140-95-4(CAS DataBase Reference)NIST Chemistry ReferenceDimethanolurea(140-95-4)EPA Substance Registry SystemDimethylolurea (140-95-4) Safety InformationHaz
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Products Description of LANTHANUM ACETATECAS#917-70-4White powderLANTHANUM ACETATE Chemical Propertiesdensity 2.02[at 20℃]Water Solubility 100g/L at 20℃CAS DataBase Reference917-70-4(CAS DataBase Reference)EPA Substance Registry SystemLanthanum acetate (917-70-4)Factory and Equipment ShowFast delivery timeInventory 2-3 working days New production 7-10 working days
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4-(1-Acetylpiperazin-4-yl)phenol CAS#67914-60-7Crystalline compound.
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Sorbitol has a chemical formula of C6H14O6 and also has 2 optical isomers, D as well as L. It is the main photosynthetic item of Rosaceae plants and also is primarily made use of as a sugar. It has a trendy pleasant taste as well as a sweet taste of regarding Fifty percent of sucrose, calorific worth is similar to sucrose.What is Sorbitol?Sorbitol has a great wonderful taste, as well as its sweet taste is about 50% -70% of that of sucrose. 1g of sorbitol creates 16.7 kJ of heat in the human body.
CAS#433711-95-6 IntroductionThe chemical compound (2-Bromo-pyridin-4-yl)carbamic acid tert-butyl ester, also known as CAS#433711-95-6, is a key intermediate in the synthesis of various pharmaceuticals and agrochemicals. This compound is widely used in the chemical industry due to its unique properties and versatile applications.
Market Overview:The market for glycerin, also known as glycerine (CAS#56-81-5), and veg glycerin has experienced significant price fluctuations in recent weeks.
The Introduction of DMAPDMAP is a well-known organic compound with the molecular formula C7H10N2. It is a white solid with a strong odor and is soluble in water, ethanol, and ether. DMAP is a widely used catalyst in organic synthesis due to its high reactivity and selectivity. In this article, we will discuss the properties, uses, and applications of DMAP in the chemical industry.The Properties and Uses of DMAPDMAP is a highly reactive catalyst that is commonly used in organic synthesis.
Vitamin B2 is an essential nutrient for the human body, and it is an essential substance to form the surface of human tissues and organs.Vitamin B2 cannot be stored in the human body, but the human body needs it every day, so it must be supplemented from food every day.A slight deficiency of vitamin B2 will not feel anything in the body, but when it reaches a certain level, obvious symptoms will appearWhat type of nutrient is Vitamin B2?Vitamin B2 is a member of the vitamin B group. It is a water-soluble vitamin. After being absorbed by the human body, there is not much retention in the body.
Introduction of Capsaicin PepperThe spicy ingredients contained in pepper fruit are capsaicin pepperoids, including: capsaicin pepper, dihydrocapsaicin pepper, nordihydrocapsaicin pepper, homocapsaicin pepper, homodihydrocapsaicin pepper I, homodihydrocapsaicin pepper II, Nonoyl vanillylamide, Decoyl vanillylamide, Capryl vanillylamide. Capsanthin includes Cryptoxanthin, Capsanthin, Capsorubin, Carotene; also contains vitamin C, citric acid, tartaric acid, malic acid, protein, minerals, etc. .
Phosphoric Acid: A Versatile Chemical CompoundPhosphoric acid, a colorless, odorless, and syrupy liquid, is a common inorganic acid. Its chemical formula is H₃PO₄. It is a triprotic acid, meaning it can donate three protons (H⁺ ions) in aqueous solution.Properties and ProductionPhosphoric acid is a non-volatile, non-flammable, and relatively stable acid.
Acetic Acid: A Versatile Compound with Numerous ApplicationsAcetic acid, commonly known as ethanoic acid, is an organic compound with the chemical formula CH₃COOH. It’s a colorless liquid with a pungent smell and sour taste.
lycopene: dark red powder, has the unique smell and taste of lycopene.Lycopene (CAS No.: 502-65-8), dark red powder, has the unique smell and taste of lycopene. The lycopene produced by microbial fermentation mainly uses fermented substrates such as corn steep liquor, soybean meal and starch as the medium, and uses Blake Sleatrispora as the strain. After fermentation, filtration, drying, extraction, crystallization and Manufactured by refining and other processes.The main functions of lycopene are as follows:1. Anti-oxidation, delay aging;2. Improve the body’s immunity;3.
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.
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