CefepiMe iMpurity G-manufacture,factory,supplier from China

(Total 24 Products for CefepiMe iMpurity G)
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
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Products Description of 2-Amino-5-Methyl-3-Thiophenecarbonitrile CAS#138564-58-6An impurity generated in the preparation of Olanzapine.2-Amino-5-Methyl-3-Thiophenecarbonitrile Chemical PropertiesMelting point 101-103°CBoiling point 318.5±42.0 °C(Predicted)density 1.26±0.1 g/cm3(Predicted)storage temp. under inert gas (nitrogen or Argon) at 2–8 °Csolubility soluble in Methanolform powder to crystalpka0.16±0.10(Predicted)color Light yellow to BrownInChIKeyYGXADLPRHBRTPG-UHFFFAOYSA-NCAS DataBase Reference138564-58-6(CAS DataBase Reference)Safety Information
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Products Description of Tetraethylammonium hydroxide CAS#77-98-5Tetraethylammonium hydroxide is an organic quaternary ammonium base. Most products exist in the form of methanol and aqueous solution. It is a colorless to light yellow liquid at room temperature. It has strong alkalinity and can absorb carbon dioxide in the air and decompose upon heating. It has a wide range of uses in the field of industrial research. It is used as a phase transfer catalyst, a template for molecular sieve synthesis, a cleaning agent, and a de-impurity agent in the petroleum industry.
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Products Description of SODIUM TRISILICATE CAS#13870-30-9Sodium silicate is a water-soluble silicate, which can be divided into three forms: solid, liquid, and water-quenched. In theory, this type of substance is called "colloid". Industrial solid sodium silicate is a colorless, slightly light blue, turquoise, sky blue or yellow-green transparent or translucent glass block. When the impurity content is very low, the glassy anhydrous solid sodium silicate is a colorless and transparent glass body, and pure solid sodium cinnamate is a colorless and transparent solid.
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Products Description of Dextrin CAS#9004-53-9White amorphous powder, odorless, slightly sweet taste.Dextrin Chemical PropertiesMelting point 53.75-54 °Cdensity 0.8 g/cm3storage temp. Store at RT.solubility H2O: 0.1 g/mL hot, complete, yellow to very deep yellowform powdercolor yellowOdorodorlessWater Solubility Soluble in hot water (0.1 g/ml).Sensitive HygroscopicMerck 14,2953Dielectric constant2.2(Ambient)Stability:Stable. Combustible.
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Products Description of Pentaerythritol triacrylate CAS#3524-68-3For photosensitive filmPentaerythritol triacrylate Chemical PropertiesMelting point 15℃Boiling point 359.71°C (rough estimate)density 1.18 g/mL at 25 °C (lit.)refractive index n20/D 1.483(lit.)Fp >230 °Fstorage temp. Inert atmosphere,Room Temperaturesolubility Chloroform (Slightly), Methanol (Slightly)pka13.63±0.10(Predicted)form Liquidcolor ColorlessSpecific Gravity1.16-1.19Water Solubility Immiscible with water.Sensitive HygroscopicBRN 6598752Stabilit
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Products Description of CARAMEL CAS#8028-89-5Caramel color is one of the food colorings with the longest history of human use. It is also the most widely used and popular food additive currently used by people. It has high color rate and strong coloring ability, reflecting the unique reddish brown color of fermented soy sauce, which is ruddy and bright. It has moderate viscosity, good solubility, high salt tolerance and stable quality.CARAMEL Chemical Propertiesdensity 1.35 g/cm3FEMA 2235 | CARAMEL COLOROdorat 100.00 %.
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Products Description of SILICA CAS#10279-57-9Used as filler for paints and coatings, rubber reinforcing agent, plastic tackifier and thixotropic agent, thickener for synthetic grease and silicone greaseSILICA Chemical PropertiesMelting point 1610 °C(lit.)Boiling point >100 °C(lit.)density 2.6 g/mL at 25 °C(lit.)refractive index n20/D 1.544(lit.)storage temp. no restrictions.form tablets (~0.5 g each)Water Solubility Insoluble in water.Exposure limitsNIOSH: IDLH 3000 mg/m3; TWA 6 mg/m3EPA Substance Registry SystemSilica, h
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Products Description of BISMUTH SULFIDECAS#1345-07-9Bismuth sulfide is brown-yellow powder or crystal, with a specific gravity of 7.39. It decomposes at 685℃. It is insoluble in water and ethyl acetate, but soluble in nitric acid and hydrochloric acid.BISMUTH SULFIDE Chemical PropertiesMelting point 685°C (dec.)density 7.7 g/mL at 25 °C(lit.)solubility insoluble in H2O; soluble in acid solutionsform LumpSpecific Gravity7.7color GrayWater Solubility Insoluble in water.
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Products Description of Tetrabutylammonium Perchlorate CAS#1923-70-2Tetrabutylammonium perchlorate is used as a research compound, in medicine, and as an electrolyte in electrochemical gradeTetrabutylammonium perchlorate Chemical PropertiesMelting point 211-215 °Cdensity 1.0387 (rough estimate)refractive index 1.6800 (estimate)solubility acetonitrile: 0.1 g/mL, clear, colorlessform Crystalline Powdercolor WhiteWater Solubility Soluble in acetonitrile and ethanol.
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Products Description of Octadecanethiol CAS#2885-00-9Octadecanethiol, molecular formula C18H38S.Octadecanethiol Chemical PropertiesMelting point 30-33 °C(lit.)Boiling point 204-210 °C11 mm Hg(lit.)density 0.847 g/mL at 25 °C(lit.)vapor pressure <0.5 hPa (20 °C)refractive index n20/D 1.3610Fp 55 °Fstorage temp. Store below +30°C.form Crystalline Solidpka10.49±0.10(Predicted)Specific Gravity0.832 (30℃)0.847color WhiteWater Solubility InsolubleBRN 1811934Exposure limitsNIOSH: Ceiling 0.5 ppm(5.9
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Products Description of Tin sulfate CAS#7488-55-3White or light yellow crystalline powder. Soluble in water, solubility 33g/100ml water at 35℃. Soluble in dilute sulfuric acid.Stannous sulfate Chemical PropertiesMelting point 360 °Cdensity 4,15 g/cm3vapor pressure 0Pa at 20℃storage temp. no restrictions.form SolidSpecific Gravity1.35color White to off-whitePH1.6 (50g/l, H2O, 20℃)Water Solubility 330 g/L (20 ºC)Merck 14,8790Exposure limitsACGIH: TWA 2 mg/m3NIOSH: IDLH 100 mg/m3; TWA 2 mg/m3Stability:Stable, but moisture sensitive.
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Products Description of Sodium mercaptobenzothiazole CAS#2492-26-4Sodium 2-Mercaptobenzothiazole is a compound with a molecular weight of 189.22 and a molecular formula of C7H4NNAS2.Sodium mercaptobenzothiazole Chemical PropertiesMelting point -6 °CBoiling point 103 °Cdensity 1,255 g/cm3vapor pressure 0Pa at 25℃storage temp. under inert gas (nitrogen or Argon) at 2-8°Cform liquidcolor White to Orange to GreenWater Solubility >=10 g/100 mL at 20 ºCCAS DataBase Reference2492-26-4(CAS DataBase Reference)EPA Substance Registry SystemSodium mercaptobe
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Products Description of Antioxidant 1330 CAS#1709-70-2Hindered phenol antioxidant 330 is a white crystalline powder with a melting point above 244°C. It is insoluble in water. Its solubility in some solutions at 18°C (g/100g solvent) is: benzene 20, dichloromethane 31.9, methylcyclohexane 1.7, methanol 0.2, isopropanol 0.1.
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Products Description of 3,4-Dimethoxythiophene CAS#51792-34-83,4-Dimethoxythiophene is an organic compound with the molecular formula C6H8O2S.3,4-Dimethoxythiophene Chemical PropertiesBoiling point 100-102 °C/10-11 mmHgdensity 1.209 g/mL at 25 °Crefractive index 1.5409Fp 224 ºFstorage temp. -20°Cform powder to lump to clear liquidcolor White or Colorless to YellowWater Solubility Miscible with organic solvents.
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Products Description of Benzyl alcohol CAS#100-51-6Benzyl alcohol, also known as benzyl alcohol, has a molecular formula of C6H5CH2OH and a density of 1.045 g/mL at 25°C (lit.). It is the simplest fatty alcohol containing phenyl groups and can be regarded as hydroxymethyl-substituted benzene or phenyl-substituted methanol. It is a colorless, transparent, viscous liquid with a faint aromatic odor. Sometimes, after being left for a long time, benzyl alcohol will have a slight smell of bitter almonds due to oxidation.
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Products Description of Antioxidant 1330 CAS#1709-70-2Hindered phenol antioxidant 330 is a white crystal powder with a melting point above 244°C and is insoluble in water. The solubility (g/100g solvent) in certain solutions at 18°C is: benzene 20, methylene chloride 31.9, methylcyclohexane Alkane 1.7, methanol 0.2, isopropyl alcohol 0.1.
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Products Description of Phosphorous acidCAS#13598-36-2Colorless crystals. Easily soluble in water and alcohol.Phosphorous acid Chemical PropertiesMelting point 73 °CBoiling point 200 °Cdensity 1.651 g/mL at 25 °C(lit.)vapor pressure 0.001Pa at 20℃Fp 200°Cstorage temp. 0-6°Csolubility DMSO (Slightly), Methanol (Slightly), Water (Sparingly)form CrystalspkapK1 1.29; pK2 6.74(at 25℃)Specific Gravity1.651color WhiteWater Solubility SOLUBLESensitive Air Sensitive & HygroscopicMerck 14,7346Stability:Stable.
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Products Description of 3,5-Dimethylacetophenone CAS#5379-16-83,5-Dimethylacetophenone is a chemical substance with the chemical formula C10H12O and a molecular weight of 148.21.3,5-DIMETHYLACETOPHENONE Chemical PropertiesMelting point 20°CBoiling point 98-100°C 8mmdensity 0,988 g/cm3refractive index 1.5290Fp 98-100°C/8mmstorage temp. Sealed in dry,Room Temperatureform powder to lump to clear liquidcolor White or Colorless to Almost white or Almost colorlessλmax251nm(MeOH)(lit.)BRN 2240987Safety InformationSafety Statements 24/25HS Code&nb
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Products Description of (2S)-(+)-2,5-Dihydro-3,6-dimethoxy-2-isopropylpyrazine CAS#78342-42-4(S)-2,5-Dimethoxy-3-isopropyl-3,6-dihydropyrazine.Molecular formula: C9H16N2O2.Molecular weight: 184.24 g/mol(2S)-(+)-2,5-Dihydro-3,6-dimethoxy-2-isopropylpyrazine Chemical Propertiesalpha 102 º (c=1%, EtOH)Boiling point 245.2±33.0 °C(Predicted)density 1.028 g/mL at 20 °C (lit.)storage temp. Sealed in dry,2-8°Csolubility Chloroform (Slightly), DMSO (Slightly), Ethanol (Sparingly), Methanol (Slightly)pka3.81±0.60(Predicted)form Liquidcolor Clear colorless to pale
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Products Description of Polyisobutylene CAS#9003-27-4Ammonium Chloride (CAS#12125-02-9) is a white crystalline salt that is highly soluble in water, with a solubility of 37.2 g/100 g at 20°C. It is a crucial component in agricultural fertilizers, providing essential nitrogen for plant growth. This compound is also used as a feed additive and in various industrial applications due to its versatility. In agriculture, Ammonium Chloride is valued for its ability to enhance soil fertility and promote robust plant development.
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Products Description of Polymethylene polyphenyl polyisocyanate CAS#9016-87-9Brown transparent liquid with pungent odor.Polymethylene polyphenyl polyisocyanate Chemical PropertiesBoiling point 392 °C5 mm Hgdensity 1.2 g/mL at 25 °C(lit.)vapor density 8.6 (vs air)refractive index n20/D 1.634Fp >230 °Fstorage temp. Refrigerator, Under inert atmospheresolubility DMSO (Sparingly), Ethyl Acetate (Slightly), Methanol (Soluble)form Oilcolor Yellow to OrangeStability:Stable.
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Products Description of POLYCARBOMETHYLSILANE CAS#62306-27-8Transparent oily liquidPOLYCARBOMETHYLSILANE Chemical PropertiesMelting point 79-84 °Cdensity 1.1 g/mL at 25 °C(lit.)Product Application of POLYCARBOMETHYLSILANE CAS#62306-27-8Silicon carbide ceramic polymer precursors. Ceramic coatings from polymer melts or solutions.Factory and Equipment ShowFast delivery timeInventory 2-3 working days New production 7-10 working days
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Products Description of M-Phenylenediamine (m-PDA) CAS#108-45-2Meta-phenylenediamine is an important raw material for organic synthesis. It is mainly used as a dye intermediate to produce basic orange, basic brown G, direct sunfast black G and other dyes. It is also used as fur dye and epoxy resin. It is used as a curing agent, cement coagulant, mordant, color developer, etc.
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Tannic acid belongs to hydrolyzed tannins, which can be hydrolyzed to acid and glucose. It is one of the earliest studied tannins and has strong biological and pharmacological activities. Tannic acid is mainly rich in plants such as Chinese five seeds, Turkish seeds, tara pods, pomegranates, sumac leaves, sumac, and witch hazel trees.
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.
What is Cornmint Oil?Cornmint oil is a colorless or light yellow clear liquid. It has a special refreshing fragrance, which is pungent at the beginning and cool afterwards. After long-term storage, the color becomes darker. It is often used to repel mosquitoes and relieve physical fatigue.Legend has it that the original name of mint comes from Greek mythology. Pluto Hades fell in love with the beautiful Elf Mansi, and Pluto’s wife Persephane was very jealous.
2-ACP Introduction2-ACP, is a chemical compound with the molecular formula C6H6ClN2. It is an important intermediate in the synthesis of various pharmaceuticals and agrochemicals. In this article, we will discuss the properties, applications, and synthesis of 2-ACP.2-ACP Properties1. Physical Properties: 2-ACP is a white to off-white crystalline powder with a melting point of 110-114℃. It is soluble in organic solvents such as ethanol, methanol, and acetone, but insoluble in water.2. Chemical Properties: 2-ACP is a heterocyclic compound containing a pyridine ring and an amino group.
2-(Methylamino)pyridine IntroductionIt, also known as MAP, is a chemical compound with the molecular formula C6H8N2. It is commonly used in the pharmaceutical and chemical industries as a building block for various drugs and chemicals. In this article, we will explore the properties, applications, and synthesis of 2-(Methylamino)pyridine.2-(Methylamino)pyridine Properties1. Physical properties: it is a colorless to pale yellow liquid with a pungent odor. It has a boiling point of 208-209°C and a melting point of -35°C.2.
Potassium carbonate (K2CO3), as a common inorganic compound, has been widely studied and utilized since ancient times due to its unique chemical properties and versatile applications. From its natural formation to its myriad uses in modern industry, the story of potassium carbonate mirrors the progress of chemistry and the advancement of human civilization.Through the exploration of potassium carbonate, we can gain a better understanding of the substance itself and discern the multifaceted role of chemicals in modern society.
Pectin is a sort of all-natural polymer substance, which generally exists in all greater plants as well as is an important component of plant intercellular compound. Pectin is transferred in the key cell wall as well as intercellular layer, and cross-links with various components of cellulose, hemicellulose, lignin microfibrils as well as some extensin in the primary wall to make various cell cells frameworks Difficult, exhibiting an intrinsic shape, and also a supporting material for internal cells.
February 10, 2025 - Sodium Hydroxide (CAS#1310 - 73 - 2), also known as Caustic Soda or caustic soda, is an indispensable chemical in the global chemical industry. According to the latest market research report, the global sodium hydroxide market size reached $49.77 billion in 2023 and is expected to grow to $66.82 billion by 2030, with a compound annual growth rate (CAGR) of 4.29%.Production and Technological Innovation of Sodium HydroxideSodium hydroxide (NaOH) is mainly produced through the chlor - alkali process.
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.
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.
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