Polyvinylpyrrolidone CAS#9003-39-8-manufacture,factory,supplier from China

(Total 24 Products for Polyvinylpyrrolidone CAS#9003-39-8)
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.
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Products Description of Polyisobutylene CAS#9003-27-4Polyisobutylene (PIB) is a non-toxic, water-white viscous liquid that exhibits excellent low-temperature flexibility due to its low glass transition temperature. It is a linear saturated polymer with a highly flexible molecular chain, which contributes to its superior elasticity and extensibility. PIB is recognized for its high chemical stability and can be tailored to various applications by adjusting its molecular weight, ranging from low to high molecular weights with viscosities varying from 5 to 4,700 cSt @ 100°C.
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Products Description of Quercetin CAS#117-39-5Yellow needle-shaped crystalline powder. It is heat stable, with a decomposition temperature of 314°C. It can improve the light resistance of pigments in food and prevent the change of food flavor. It will change color when it encounters metal ions. It is slightly soluble in water and easily soluble in alkaline aqueous solution. Quercetin and its derivatives are a class of flavonoid compounds widely found in various vegetables and fruits. Such as onions, sea buckthorn, hawthorn, sophora japonica, tea, etc.
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 Products Description of Poly(acrylic acid)CAS#9003-1-4Acrylic resin (MethylMethacrylateResin), commonly known as organic glass, is a polymer compound made from methyl methacrylate. Commonly used synthesis methods include anionic polymerization, solution polymerization, bulk polymerization, and suspension polymerization. In addition, the resin has excellent properties such as easy coloring, light weight, not easy to break, and good processing performance. Therefore, it is often used as a substitute for glass, optical lenses, lenses, etc.
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Products Description of Sodium allylsulfonate CAS#2495-39-8Sodium allylsulfonate, the molecular formula is C3H5SO3Na, and the molecular weight is 144.1.Sodium allylsulfonate Chemical PropertiesMelting point 242 °C (decomp)density 1.206vapor pressure 0Pa at 25℃storage temp. Inert atmosphere,Room Temperaturesolubility soluble in Alcohol, Dimethylformamideform PowderSpecific Gravity1.25color WhiteWater Solubility 4 g/100 mLHydrolytic Sensitivity0: forms stable aqueous solutionsStability:Stable.
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Products Description of 4,4'-Diphenylmethane diisocyanate CAS#101-68-8Pale yellow molten solid with a strong pungent odor.
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Products Description of 2,2-Dimorpholinodiethylether CAS#6425-39-42,2-Dimorpholinyl diethyl ether is a transparent liquid.2,2-Dimorpholinodiethylether Chemical PropertiesMelting point -28 °CBoiling point 309 °C (lit.)density 1.06 g/mL at 25 °C (lit.)vapor pressure 66Pa at 20℃refractive index n20/D 1.484(lit.)Fp 295 °Fstorage temp. 2-8°Csolubility Chloroform (Slightly), Ethyl Acetate (Slightly)form Oilpka6.92±0.10(Predicted)color Pale Brown to Light BrownWater Solubility 100g/L at 20℃InChIKeyZMSQJSMSLXVTKN-UHFFFAOYSA-NLogP0.5
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Products Description of 1.1'-Binaphthyl-2.2'-diphemyl phosphine CAS#98327-87-81,1'-Binaphthyl-2,2'-bis(diphenylphosphine) (BINAP) is a powerful chiral auxiliary used as a homogeneous catalyst in certain asymmetric chemical syntheses.
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Products Description of 2,6-Di-tert-butylphenol CAS#128-39-2White or light yellow crystalline solid with phenol odor. Easily soluble in organic solvents such as alcohols, esters, alkanes, aromatic hydrocarbons, and almost insoluble in water.
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Products Description of 6,7-Dimethoxy-3,4-dihydroisoquinoline hydrochloride CAS#20232-39-76,7-Dimethoxy-3,4-dihydroisoquinoline hydrochloride is an intermediate for the synthesis of tetrabenazine.
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Products Description of Sodium hexafluorophosphate CAS#21324-39-0Sodium hexafluorophosphate is also called "sodium hexafluorophosphate (V) acid". Chemical formula NaPF6·H2O. Molecular weight 185.97. White powder. Sensitive to air and carbon dioxide, relative density 2.36919. Very soluble in water. Decomposes at high temperature.
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Products Description of SODIUM METHYL COCOYL TAURATE CAS#12765-39-8Sodium Methyl Cocoyl Taurate (SMCT), also known as sodium methyl coconut taurate and sodium methyl coconut taurate, has a chemical structure of RCON (CH3) CH2CH2SO3Na. It is an amino acid surfactant, a milky white viscous paste at room temperature, a 1% aqueous solution with a pH of 6.5-9.0, active matter >38%, coconut oil soap <2%, and color (APHA) ≤300. It is a milder surfactant than SLS, less irritating to the skin, and has good cleaning power.
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Products Description of 4,4'-Diamino-2,2'-Stilbenedisulfonic Acid CAS#81-11-8 4,4'-diaminostilbene-2,2'-disulfonic acid, an organic chemical substance, molecular formula: C14H14N2O6S2.4,4'-Diamino-2,2'-stilbenedisulfonic acid Chemical PropertiesMelting point 300 °Cdensity 1.4732 (rough estimate)vapor pressure 1.3hPa at 25℃refractive index 1.6510 (estimate)storage temp. Keep in dark place,Inert atmosphere,Room temperaturesolubility Aqueous Base (Slightly)pka-1.58±0.50(Predicted)form Crystalline Powdercolor Cream to yellow
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Products Description of 2-Mercaptobenzimidazole CAS#583-39-1Antioxidant MBI, 2-mercaptobenzimidazole, is a thiol-substituted nitrogen heterocyclic compound and an important class of pharmaceutical intermediates, widely used in medicine, pesticides, chemicals and other fields.
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Products Description of 2-Mercaptobenzimidazole CAS#583-39-1Antioxidant MBI, 2-mercaptobenzimidazole, is a thiol-substituted nitrogen heterocyclic compound and an important class of pharmaceutical intermediates, widely used in medicine, pesticides, chemicals and other fields.
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Products Description of N,beta-Dimethylphenethylamine hydrochloride CAS#5969-39-1A phenethylamine derivative as sympathomimetics.
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Products Description of 2,3-Difluorophenol CAS#6418-38-82,3-Difluorophenol is a chemical substance.2,3-Difluorophenol Chemical PropertiesMelting point 39-42 °C (lit.)Boiling point 54 °C/25 mmHg (lit.)density 1.2483 (estimate)Fp 134 °Fstorage temp. Inert atmosphere,2-8°Cpka7.71±0.10(Predicted)form powder to lump to clear liquidcolor White or Colorless to Almost white or Almost colorlessBRN 2082265InChIKeyRPEPGIOVXBBUMJ-UHFFFAOYSA-NCAS DataBase Reference6418-38-8(CAS DataBase Reference)Safety InformationHazard Codes F,Xn,Xi,CRisk Statements&
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Products Description of diisooctyl 2,2'-[(dioctylstannylene)bis(thio)]diacetateCAS#26401-97-8Mainly used in PVC products that come into contact with food and medicine, such as plates, sheets, films, etc., and can be used in processes such as calendering, blow molding, extrusion, injection, etc.diisooctyl 2,2'-[(dioctylstannylene)bis(thio)]diacetate Chemical Propertiesdensity 1.08[at 20℃]vapor pressure 0Pa at 25℃storage temp. Refrigerator, under inert atmospheresolubility Chloroform (Slightly), Ethyl Acetate (Slightly)form Oilcolor ColourlessWater Solu
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Products Description of Isobornyl acrylate CAS#5888-33-5Isobornyl acrylate, abbreviated as IBOA, has attracted people's attention in research and application in recent years as a functional acrylate monomer due to its special structure and performance.
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Products Description of N-Methylformamide CAS#123-39-7Pure N-methylformamide is a colorless, transparent, viscous liquid with m.p.-3.8℃, b.p.198℃, n25D 1.4310, relative density 0.9986 (25℃). It is soluble in water and inorganic salts.
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Products Description of Ethyl Chloroacetate CAS#105-39-5Ethyl chloroacetate is an organic compound, mainly used as a solvent and can also be used in organic synthesis.Ethyl chloroacetate Chemical PropertiesMelting point -26 °C (lit.)Boiling point 143 °C (lit.)density 1.145 g/mL at 25 °C (lit.)vapor density 4.23 (vs air)vapor pressure 10 mm Hg ( 38 °C)refractive index n20/D 1.421(lit.)Fp 150 °Fstorage temp. Store below +30°C.solubility 12.3g/lform Liquidcolor Clear colorlessOdorExtremely irritating; fruity; pungentexplosive l
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Products Description of Tris(2-methyl-1-aziridinyl)phosphine oxideCAS#57-39-6It is mainly used as a crosslinking agent and curing agent for the resin coating of missiles.
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Products Description of Chromium(III) fluoride CAS#7788-97-8Chromium trifluoride, also known as chromium trifluoride, is an inorganic compound with the chemical formula CrF3. It is mainly used as a mothproofing agent for wool fabrics, a halogenation catalyst, a marble hardener and a colorant.On October 27, 2017, the World Health Organization's International Agency for Research on Cancer published a preliminary list of carcinogens for reference.
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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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cas 31075-24-8 IntroductionMayosperse 60 is a chemical compound with the CAS#31075-24-8. It is a widely used dispersant in the chemical industry, especially in the field of coatings and paints. In this article, we will explore the properties and applications of Mayosperse 60.cas 31075-24-8 PropertiesMayosperse 60 is a high-performance dispersant with excellent stability and compatibility. It is a low viscosity liquid with a light yellow color. Its molecular weight is about 4000, and it has a hydrophobic tail and a hydrophilic head.
In the world of chemicals, Sodium Carbonate (CAS 497 - 19 - 8) continues to play a pivotal role across various industries. As a key chemical compound, it is drawing attention from manufacturers, suppliers, and end - users globally.Innovation in R&DLeading Sodium Carbonate manufacturers around the globe are constantly pushing the boundaries of innovation. Solvay, a renowned name in the chemical industry, is currently researching a more eco - friendly and efficient production process for Sodium Carbonate.
Breaking News: Glycerin Market Projected to Reach US$ 3.2 Billion by 2032The global glycerin market is experiencing significant growth, with IMARC Group's recent report predicting the market to reach US$ 3.2 Billion by 2032, exhibiting a CAGR of 4.9% during 2024-2032 .
Citric Acid Anhydrous CAS#77-92-9: Industry News and ApplicationsCitric Acid Anhydrous, with the chemical abstract service number 77-92-9, is a multifunctional organic acid that has gained significant attention in various industries. Here's a curated overview of the latest news and developments surrounding Citric Acid Anhydrous:Industry Applications: Citric Acid Anhydrous is recognized for its diverse applications across industries.
For gemstones, amber is undoubtedly the most precious kind, and it is loved and sought after. However, the formation of amber takes a very long time. Therefore, it is not as simple as it looks on the surface. It also contains rich substances, which can be extracted and used in many aspects. It can also be made into various medicines with remarkable effect. It can be said that amber not only has a beautiful appearance, but also helps in medicine.Amber's Powerful Root - Succinic AcidSuccinic acid is a colorless crystal extracted from amber by scientists in the 15th century.
Sodium Hydroxide, also known as caustic soda or lye, with CAS#1310 - 73 - 2, is a highly significant chemical compound extensively utilized in diverse industries.Production and Market TrendsRecent data indicates notable production figures for Sodium Hydroxide across different regions. In 2023, China's December output of Sodium Hydroxide (equivalent to 100% purity) reached 3.69 million tons. This represented a month - on - month increase of 5.49% and a year - on - year growth of 7.7%.
In the chemical industry, Dichloromethane (CAS#75 - 09 - 2) is a crucial organic compound. This colorless, volatile liquid with a moderately sweet aroma plays a significant role in various industrial applications. Let's take a closer look at the latest market trends, along with some in - depth knowledge about this compound.Market Price and Supply SituationOur recent market research reveals interesting trends in the Dichloromethane market. From 1st to 5th January 2025, the price of Dichloromethane in East China has increased, ranking among the top in terms of weekly average price increase.
Latest Developments in Acetic Acid ProductionRecent advancements in the production of acetic acid highlight a significant shift towards more sustainable and innovative methods. Acetic acid, an essential organic compound, is increasingly produced through biotechnological processes and carbon dioxide (CO2) conversion, reflecting the industry's commitment to sustainability.Bioproduction Innovations: The biological production of acetic acid is gaining traction as a sustainable alternative. Techniques such as genetic engineering are being utilized to enhance yields and reduce production costs.
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.
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.
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