pvp k30-manufacture,factory,supplier from China

Products Description of Polyvinylpyrrolidone CAS#9003-39-8Polyvinylpyrrolidone, abbreviated as PVP, is a polymer of vinylpyrrolidone. Due to its different degree of polymerization, it is divided into soluble PVP and insoluble PVPP (polyvinylpolypyrrolidone). The relative molecular mass of soluble PVP is 8000-10000. It can be used as a precipitant and precipitate with polyphenols. With this method, it is easy for residual PVP to remain in the wine.

Products Description of C.I. Acid Black 194 CAS#61931-02-0Acid Black 194, dark brown powder, can be used for dyeing wool, silk, nylon, wool blended fabrics and direct printing of wool and silk fabrics, with rich color and good level dyeing. When used for dyeing wool and other fibers in the same bath, silk will be dyed, nylon will be seriously stained, and acetate fiber and cellulose fiber will be slightly stained.C.I.

Products Description of PseudotropinePseudotropine (3β-tropanol, ψ-tropine, 3-pseudotropanol, or PTO) is a derivative of tropane and an isomer of tropine.

Products Description of Imidazole CAS#288-32-4Imidazole, with the molecular formula C3H4N2, is an organic compound and a type of diazoles. It is a five-membered aromatic heterocyclic compound containing two meta-nitrogen atoms in the molecular structure.

Products Description of HydroquinoneCAS#123-31-9Hydroquinone is also called hydroquinone and 1.4-benzene. Molecular formula C6H6O2. Molecular weight 110.11. Colorless or white crystals. It changes color easily when exposed to light in the air. Its aqueous solution can oxidize to brown in the air, and oxidizes faster in alkaline medium. Melting point 170-171℃, boiling point 285-287℃, relative density 1.33215, UVλmax 288nm in water. It is easily soluble in hot water, ethanol and ether, and slightly soluble in benzene. It has active chemical properties and is easily oxidized.

Products Description of EDTA CAS#60-00-4Ethylenediamine can be obtained by cyclizing ethylenediaminetetraacetic acid with formamide. This is a drug primarily used to treat psoriasis, also known as psoriasis. But as an organic synthesis intermediate, it is not the main use of EDTA. EDTA and its salts can undergo complex reactions with a variety of metal ions to form a stable cyclic structure, which can effectively reduce or inhibit side reactions or harmful effects caused by metal ions.

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

Products Description of Levulinic acid CAS#123-76-2Levulinic acid is an organic compound with the molecular formula C5H8O3. Easily soluble in water and some organic solvents, but insoluble in gasoline, kerosene, turpentine and carbon tetrachloride. It hardly decomposes under normal pressure distillation.

Products Description of Crystal Violet CAS#548-62-9Gentian violet, also known as crystal violet and basic violet 3, is a commonly used artificial basic dye along with methyl green, neutral red, methylene blue, safranin, hematoxylin, malachite green, methyl violet and basic fuchsin. The dye index number is CIBasicViolet3(42555). It belongs to the triaminotriphenylmethane compound. It has the appearance of dark green powder or flaky crystals with bronze luster.

Products Description of Octenyl succinic anhydride CAS#26680-54-62-Octenylsuccinic anhydride (OSA) is an important intermediate of fine chemicals. Because its molecule contains carbon-carbon double bonds and carboxylic acid ligands, it has high chemical reactivity. Under appropriate conditions, it can undergo a series of reactions such as addition, substitution, reduction, acetification, hydrolysis and polymerization. It can synthesize a variety of derivatives.

Products Description of Hydroxypropyl-beta-cyclodextrin CAS#94035-02-6This product is a white or off-white amorphous or crystalline powder; odorless, slightly sweet taste; strong hygroscopicity.

Products Description of Panthenol CAS#16485-10-2Provitamin B5 is a white crystalline hygroscopic powder.

Products Description of Lantanium Nitrate CAS#10277-43-7Lanthanum nitrate hexahydrate is a colorless crystalline solid with a distinctive nitrate odor. - It is relatively stable at room temperature, but can decompose when heated to produce toxic nitrous oxide gas.

Products Description of Chlorpropham CAS#101-21-3Chlorofen, also known as clopfen, is an organic compound with the chemical formula C10H12ClNO2. It is a light brown crystalline powder and is insoluble in water. It is a plant growth regulator and herbicide that can effectively control wheat, corn, and alfalfa.

Products Description of Alkylsulfonic phenyl ester CAS#91082-17-6White crystalline powderAlkylsulfonic phenyl ester Chemical Propertiesrefractive index n20/D 1.500Fp 210 °Cstorage temp. 2-8°Ccolor APHA: ≤350 Factory and Equipment ShowFast delivery timeInventory 2-3 working days New production 7-10 working days

Products Description of Potassium Hydrogen Phthalate CAS#877-24-7Potassium Hydrogen Phthalate is an organic compound that appears as a white crystalline powder. It is stable in the air, soluble in water, and slightly soluble in alcohol.

Products Description of Potassium phosphate CAS#778-53-2Azodicarbonamide is a synthetic chemical that exists at ambient temperature as a yellow-orange crystalline solid. Azodicarbonamide is mainly used as a blowing agent in the rubber and plastics industries in the expansion of a wide range of polymers, including polyvinyl chloride, polyolefins, and natural/synthetic rubbers.

Products Description of SODIUM DIHYDROGEN CITRATE CAS#18996-35-5Colorless crystals or white crystalline powder, odorless, salty and slightly sour. Soluble in water, insoluble in ethanol. Ph value of 10% aqueous solution is 3.4-3.8.

Products Description of Isobornyl methacrylate CAS#7534-94-3Isobornyl methacrylate is a colorless, transparent liquid. Isobornyl methacrylate is a monomer that combines hardness and flexibility. Due to its molecular structure, its polymer has excellent high gloss, vividness, scratch resistance, medium resistance and weather resistance, and its hygroscopicity is significantly lower than that of MMA (methyl methacrylate).

Products Description of Monomethylaniline CAS#100-61-8N-methylaniline is the main product in the N-alkyl aromatic amine series and an important intermediate in fine chemicals. Very versatile. my country's first set of production equipment was built with the aid of the former Soviet Union in the 1950s. The products are mainly used to make explosive centralizers and are often used to blend straight-run Chemicalbook gasoline.

Products Description of 2,5-Dibromothiophene CAS#3141-27-32,5-Dibromothiophene is the light yellow transparent liquid, boiling point 211℃, melting point -6℃, relative density 2.147.2,5-Dibromothiophene Chemical PropertiesMelting point -6 °C (lit.)Boiling point 211 °C (lit.)density 2.147 g/mL at 25 °C (lit.)refractive index 1.627-1.63Fp 99 °Cstorage temp. Keep in dark place,Sealed in dry,Room Temperaturesolubility Chloroform, Methanolform Liquidcolor Clear pale yellow to brownSpecific Gravity2.147Water Solubility practically insol

2-DODECEN-1-YLSUCCINIC ANHYDRIDE CAS#19780-11-1Product Name:2-DODECEN-1-YLSUCCINIC ANHYDRIDESynonyms:2,5-Furandione, 3-(2-dodecenyl)dihydro-;2,5-Furandione, 3-dodecenyl-;3-(2-dodecenyl)dihydro-5-furandione;3-[(2E)-2-Dodecenyl]dihydro-2,5-furandione;3-(2-dodecenyl)succinic anhydride;2-(2-Dodecene-1-yl)succinic anhydride;2-(2-Dodecenyl)succinic anhydride;2-Dodecen-1-yl(-)succinicanhydridCAS:19780-11-1MF:C16H26O3MW:266.38EINECS:243-296-9Product Categories:Carbonyl Compounds;Carboxylic Acid Anhydrides;Organic Building Blocks;Anhydride MonomersUnsaturated fatty acids and derivatives;Monoenoic fatty

Products Description of 6,7-Dimethoxyquinazoline-2,4-dione CAS#28888-44-06,7-Dimethoxy-2,4-quinazolinedione (doxazosin EP impurity D) is a chemical crystalline compound with a melting point of >300°C, an intermediate of prazosin hydrochloride.6,7-Dimethoxyquinazoline-2,4-dione Chemical PropertiesMelting point >300 °C (lit.)Boiling point 363.37°C (rough estimate)density 1.3404 (rough estimate)refractive index 1.6300 (estimate)storage temp. 2-8°Csolubility Aqueous Acid (Sparingly)pka10.27±0.20(Predicted)color White to Off-WhiteWater Solubility i

Products Description of 6,7-Dimethoxy-1,2,3,4-tetrahydroisoquinoline hydrochloride CAS#2328-12-36,7-Dimethoxy-1,2,3,4-tetrahydroisoquinoline hydrochloride is a chemical with CAS number 2328-12-36,7-Dimethoxy-1,2,3,4-tetrahydroisoquinoline hydrochloride Chemical PropertiesMelting point 260-265 °C(lit.)storage temp. Keep in dark place,Sealed in dry,Room Temperaturesolubility soluble25mg/mL, clear, colorless (1N NaOH in methanol)form Shiny Flakes or Crystalline Powdercolor White to slightly beigeBRN 3634126InChIKeySHOWAGCIRTUYNA-UHFFFAOYSA-NCAS DataBase Ref