2687-91-4-manufacture,factory,supplier from China

(Total 24 Products for 2687-91-4)
Products Description of Isopropyl palmitate CAS#142-91-6Isopropyl palmitate is a traditional, refreshing, fast-spreading emollient used in modern cosmetics. It is used as the main carrier or conditioning ingredient in a wide range of cosmetic applications.
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Products Description of Morpholine CAS#110-91-8Colorless, water-absorbing oily liquid with an ammonia odor.
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Products Description of Phthalonitrile CAS#91-15-6Aromatic nitrile compounds such as phthalonitrile are very important organic synthesis intermediates, which are widely used in medicines, pesticides, herbicides, insecticides, dyes, fragrances and natural products.
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Products Description of 1,2,3,4-TETRAHYDROISOQUINOLINE CAS#91-21-4Tetrahydroisoquinoline (TIQ) is an organic compound with the chemical formula C9H11N. It is classified as a secondary amine and is obtained from isoquinoline by hydrogenation.
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Products Description of 7-Diethylamino-4-methylcoumarin CAS#91-44-17-Diethylamino-4-methylcoumarin is a vital organic compound with a spectrum of applications, predominantly utilized as a fluorescent brightening agent in the textile and paper industries, enhancing the whiteness and brightness of materials. Our collaboration cases exemplify its integration in improving the luminosity of various products, a testament to its effectiveness in real-world applications.
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Products Description of Potassium phosphate CAS#778-53-21-Ethyl-2-pyrrolidone is a transdermal absorption-enhancing compound and mechanism of its effect on multilammellar liposome of stratum corneum lipid has been studied.N-Ethyl-2-pyrrolidone is commonly used as a solvent. It has a low boiling point, which makes it suitable for use in low light and at constant pressure. It is also used as an intermediate in the preparation of polycarboxylic acid.
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Products Description of Methyl tetrahydropyran-4-carboxylate CAS#110238-91-0Tetrahydropyran-4-carboxylic acid methyl ester is a clear liquidMethyl tetrahydropyran-4-carboxylate Chemical PropertiesMelting point -33°CBoiling point 197°Cdensity 1.080 g/mL at 20 °C(lit.)Fp 86°Cstorage temp. Sealed in dry,Room Temperatureform liquidcolor ClearBRN 114974InChIKeyCNCMVGXVKBJYNU-UHFFFAOYSA-NCAS DataBase Reference110238-91-0(CAS DataBase Reference)Safety InformationHazard Codes XiRisk Statements 36-36/37/38Safety Statements 26-37
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Products Description of N-Methyl-2-pyrrolidone CAS#2687-44-7N-methyl-2-pyrrolidone is a nitrogen-containing five-membered heterocyclic compound. It has a wide range of applications due to its following excellent properties: It has high polarity and is completely miscible in most organic solvents (alcohols, ethers, ketones, aromatic hydrocarbons, chlorinated hydrocarbons, etc.). It has high solubility in organic and inorganic substances. It can be miscible with water in any proportion. It has a higher flash point than other similar solvents.
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Products Description of (-)-EPICATECHIN CAS#35323-91-2White powder(-)-EPICATECHIN Chemical PropertiesMelting point 240 °C (dec.)(lit.)Boiling point 352.36°C (rough estimate)density 1.593refractive index 1.4413 (estimate)storage temp. Sealed in dry,Room Temperaturesolubility DMSO (Slightly), Methanol (Slightly)form Solidpka9.54±0.10(Predicted)color White to Off-WhiteStability:HygroscopicLogP0.490 (est)CAS DataBase Reference35323-91-2(CAS DataBase Reference)Safety InformationHazard Codes XiRisk Statements 36/37/38Safety Statements 
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Products Description of 4'-Chloroacetophenone CAS#99-91-2Chloroacetophenone is an organic compound with the molecular formula C8H7ClO. It is a white liquid at room temperature. Insoluble in water, soluble in organic solvents.
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Products Description of Isopropyl Palmitate CAS#142-91-6Isopropyl palmitate is a traditional, refreshing, fast-spreading emollient used in modern cosmetics. Used as primary carrier or conditioning ingredient in a wide range of cosmetic applications.
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Products Description of Naphthalene CAS#91-20-3Naphthalene is the simplest condensed ring aromatic hydrocarbon with a chemical formula of C10H8. It is formed by the fusion of two benzene rings sharing two adjacent carbon atoms.
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Products Description of 3,3'-Diaminobenzidine CAS#91-95-23,3'-Diaminobenzidine is a volatile fermentation product. It is now widely used in food as a food additive because of its special aroma. 3,3'-Diaminobenzidine has significant biochemical and toxicological properties, and its pleasant aroma may make people ignore its harm to human health. In addition, 3,3'-Diaminobenzidine is widely used in various research fields. It is currently mainly used as a monomer to prepare high-temperature resistant resins and fiber materials.
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Products Description of Tetraethylammonium bromideCAS#71-91-0Tetraethylammonium bromide is an organic substance with the chemical formula (C2H5)4NBr, which is white crystals. It is hygroscopic. It is easily soluble in water, ethanol, chloroform and acetone, slightly soluble in benzene, and its solubility in water is 2795 g/L (25°C). The pH of a 10% aqueous solution is 6.5, and the pH remains unchanged when heated to 95°C for 28 hours. It is irritating.
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Products Description of 2-chlorobenzoic acid CAS#118-91-22-Chlorobenzoic acid, almost white coarse powder. The melting point is 142℃, and the density (20℃) is 1.5449/m3.
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Products Description of Ethoxyquin CAS#91-53-2Ethoxyquin is abbreviated as EQ or EMQ, also known as ethoxyquin, and its trade names are Sandoquin, Sandoquin, Hupiling, and Ethoxyquin. A yellow to tan viscous liquid with a special odor. Insoluble in water, soluble in benzene, gasoline, ether, alcohol, carbon tetrachloride, acetone and alkyl dichloride Chemicalbook. It is easy to oxidize under natural light. When exposed to air and oxygen, the color becomes dark brown and the viscosity increases. It should be stored in an airtight container away from light.
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Products Description of Tetraethylammonium bromide CAS#71-91-0Tetraethylammonium bromide is an organic substance with the chemical formula (C2H5)4NBr, which is white crystals. It is hygroscopic. It is easily soluble in water, ethanol, chloroform and acetone, slightly soluble in benzene, and its solubility in water is 2795 g/L (25°C). The pH of a 10% aqueous solution is 6.5, and the pH remains unchanged when heated to 95°C for 28 hours. It is irritating.
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Products Description of GALDEN (TM) HT70 CAS#69991-67-91. Compared with hydrocarbon lubricants, perfluoropolyether lubricants have basically similar molecular structures.
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Products Description of 4-Amino-2-chloropyridineCAS#14432-12-3This product is white crystals, m.p.89~91℃, insoluble in water.4-Amino-2-chloropyridine Chemical PropertiesMelting point 90-94 °C(lit.)Boiling point 153°C 5mmdensity 1.2417 (rough estimate)refractive index 1.5110 (estimate)Fp 153°C/5mmstorage temp. Keep in dark place,Sealed in dry,Room Temperaturesolubility DMSO (Slightly), Methanol (Slightly)pka4.73±0.30(Predicted)form Crystalline Powdercolor Light yellowWater Solubility Slightly soluble in water.BRN 108671InChIKeyBLB
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Products Description of tert-Butyl hydroperoxide CAS#75-91-2Tert-butyl hydroperoxide, also known as tert-butanol hydroperoxide, is an organic compound with the chemical formula C4H10O2. It is a colorless and transparent liquid, slightly soluble in water, and easily soluble in most organic solvents such as ethanol and ether.
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Products Description of Naphthalene-2-sulfonic acid CAS#120-18-3White to slightly brown leaf-shaped crystals. Melting point 91℃ (anhydrous), 83℃ (trihydrate), 124℃ (monohydrate). Soluble in water, alcohol and ether.
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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 4-Bromopyridine hydrochlorideCAS#19524-06-24-Bromopyridine hydrochloride is a white crystalline solid at room temperature and pressure. It has a certain degree of hygroscopicity and is easily deliquescent in water. It is often used as a coupling reagent and a precursor molecule of pyridine derivatives in organic synthetic chemistry. When used, it is often pre-treated with alkali to release 4-bromopyridine.
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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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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.
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.
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 .
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.
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.
Breaking News: Innovative Advancement in Sodium Sulfur BatteriesResearchers at Osaka Metropolitan University have achieved a significant breakthrough in the development of all-solid-state sodium batteries, a promising alternative to lithium-ion batteries for next-generation energy storage systems.
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.
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.
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.
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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