Tetrafluorobenzoic acid chloride-manufacture,factory,supplier from China

2,3,4,5-TETRAFLUORBENZOYLCHLORID2,3,4,5-TETRAFLUOROBENZOYL CHLORIDEBenzoyl chloride, 2,3,4,5-tetrafluoro- (9CI)2,3,4,5-Tetrafluorobenzoyl2,3,4,5-Tetrafluorobenzoyl chloride 98%2,3,4,5-TETRAFLUOROBEZOYL CHLORIDE2,3,4,5-Tetrafluorobenzoylchloride98%94-24-62,3,4,5-Tetrafluorobenzoic acid chlorideBoiling point 65-66 °C 10mmDensity: 1.58 g/mL at 25 °C(lit.)Refractive index n20/D 1.4787(lit.)Flash point 194 °FSpecific gravity 1.580Sensitivity: Moisture sensitivityBRN5266860InChIKeyXWCKIXLTBNGIHV-UHFFFAOYSA-NCAS DataBase Reference94695-48-4

2,3,4,5-TETRAFLUORBENZOYLCHLORID2,3,4,5-TETRAFLUOROBENZOYL CHLORIDEBenzoyl chloride, 2,3,4,5-tetrafluoro- (9CI)2,3,4,5-Tetrafluorobenzoyl2,3,4,5-Tetrafluorobenzoyl chloride 98%2,3,4,5-TETRAFLUOROBEZOYL CHLORIDE2,3,4,5-Tetrafluorobenzoylchloride98%94-24-62,3,4,5-Tetrafluorobenzoic acid chlorideBoiling point 65-66 °C 10mmDensity: 1.58 g/mL at 25 °C(lit.)Refractive index n20/D 1.4787(lit.)Flash point 194 °FSpecific gravity 1.580Sensitivity: Moisture sensitivityBRN5266860InChIKeyXWCKIXLTBNGIHV-UHFFFAOYSA-NCAS DataBase Reference94695-48-4

Fields of applicationPurpose 1It is suitable for vitamin B1 deficiency, has the function of maintaining normal glucose metabolism and nerve conduction, and is also used for the adjuvant treatment of dyspepsia and neuritisPreparation method:Method 1Thiamine hydrochloride is usually obtained by condensation, hydrolysis, neutralization, oxidation, and acidification of excess acetamidine hydrochloride with α-dimethoxy β-methoxypropionitrile.Upstream and downstream product informationUpstream raw materialsEthanol, hydrogen peroxide, dimethyl sulfate, ethyl chlorosulfonate, acrylonitrile, carboxylat

Boiling Point: 143-144 °C35 mm Hg(lit.)Density: 1.568 g/mL at 25 °C(lit.)Refractive index n20/D 1.572(lit.)Flash point > 230 °FSpecific gravity 1.568Sensitivity: Moisture sensitivityBRN4989077CAS DataBase Reference: 86393-34-2use2,4-Dichloro-5-fluorobenzoyl chloride is the main raw material for the preparation of third-generation quinolones such as trifluoroperidinol, trifluoroguabutenyl, pentafluridol and synthetic broad-spectrum antibiotics such as ciprofloxacin, and can also be used for pesticides, insecticides and ovicides, as well as the identification of plastics and resins.synthesisA

Chinese name: citric acidChinese synonyms citric acid / citric acid; Citric anhydride; Citrate, anhydrous; Citric acid standards; Citric acid, ACS grade; Citric acid anhydrous, water-contained; Citric acid, anhydrous, ACS grade; Anhydrous citric acid standardEnglish name CitricacidEnglish synonyms BETZ6251; BETZ0623; BORICACID-POTASSIUMCHLORIDE-SODIUMHYDROXIDEBUFFER; BUFFERCONCENTRATE,PH7.00; BUFFERCONCENTRATE,PH8.00; BUFFERCONCENTRATE,PH9.00; BUFFERCONCENTRATE,PHOSPHATE/SODIUMHYDROXIDE; BUFFERCONCENTRATE,POTASSIUMCHLORIDE/SODIUMHYDROXIDECAS number 77-92-9The molecular formula is C6H8O7Molecul

Heptoic,acidhexacidc-7,Hexacid, C-7n-heptanoic,heptoicacid,Hepthlic, acidEnanthic, AcidOenanthic, acidEnanthylic acidHeptylic acid1-Hexanecarboxylic acidn-Heptoic acidOenanthylic acidEnanthoic acidNSC 2192n-Heptanoic acidn-Heptylic acidProduction methods and usesmethodGC,NMRHeptanaldehyde is carbonylated from 1-hexene with syngas (CO+H2), and then oxidized by air.Heptanaldehyde is prepared by carbonylation of heptene-1 and syngas, and then heptanoic acid is obtained by air oxidation.

Mercaptoacetic acid, is an natural acid, chemical components is C2H4O2S, is a colorless obvious liquid, has a sturdy disagreeable odor, miscible with water, miscible in ethanol, ether, soluble in everyday solvents, fast oxidation in air, in case of open flame, excessive warmness power combustion and launch of relatively poisonous hydrogen sulfide gas, broadly speaking used as blanket ending agent and bloodless scalding liquid uncooked materials.P

Salicylic acid, a sort of natural acid, chemical method C7H6O3, is a white crystalline powder, barely soluble in bloodless water, effortlessly soluble in warm water, ethanol, ether and acetone, soluble in warm benzene, commonly used as medicine, spices, dyes, pesticides, rubber components and different essential uncooked substances of great chemicals.1.

Trifluoroacetic acid, is an organic compound with the formula C2HF3O2, mainly used as a test reagent, solvent, catalyst and for organic synthesis.useMainly used as test reagent, solvent, catalyst and for organic synthesis.First aid measuresSkin contact: Immediately remove contaminated clothing and rinse with plenty of running water for at least 15 minutes. Medical treatment.Eye contact: Immediately lift the eyelid and rinse thoroughly with plenty of running water or saline for at least 15 minutes. Medical treatment.Inhalation: Quickly leave the scene to fresh air. Keep your airways open.

apply4-chloropyridine hydrochloride is an important intermediate in organic synthesis, which is widely used in the preparation of new medicines, pesticides, dyes, etc.use4-Chloropyridine hydrochloride can be used as a pharmaceutical intermediate in the process of laboratory organic synthesis and chemical and pharmaceutical research and development, and pyridine base can be used to synthesize more than 50 drugs, including antitumor drugs, penicillin, vasodilators, nicotinate, inositol nicotinate, etc.preparationPyridine is used as the starting material, and 4-chloropyridine hydrochloride is syn

Basic informationChemical formula: C4H4O4Molecular Weight: 116.072CAS number: 110-17-8EINECS number: 203-743-0Physical and chemical propertiesPhysicalDensity: 1.63g/cm3Melting point: 298-300°CBoiling point: 355.5 °cFlash point: 183 °cRefractive index: 1.526(20°C)Appearance: white powder or colorless crystalsSolubility: soluble in ethanol, slightly soluble in water and ether, insoluble in chloroform, carbon tetrachloride, benzeneChemical propertiesThe simplest unsaturated dicarboxylic acid. First found in fusso, it is also found in many kinds of mushrooms and fresh beef.

Formic acid is an organic substance with the chemical formula HCOOH and a molecular weight of 46.03 , commonly known as formic acid, which is the simplest carboxylic acid. A colorless liquid with a pungent odor. Formic acid is a weak electrolyte, but its aqueous solution is weakly acidic and corrosive, which can stimulate skin blistering. It is usually found in the secretions of bees, certain ants, and caterpillars. It is an organic chemical raw material, also used as a disinfectant and preservative.Formic acid was first developed by J. J. -L.

1. Heparin was originally extracted from the liver, and is now mostly extracted from the intestinal mucosa of pigs, sheep, cattle and other animals, and can be extracted from the lungs and liver. Put the fresh intestinal mucosa into the reaction pot, add sodium chloride at 3%, and adjust the pH to 9.5 with 40% sodium hydroxide. Gradually heat up to 60-65 ° C within half an hour, continue to hold heat and stir for 2h, then heat up to 95 ° C, maintain for 10min, cool to below 50 ° C and filter.

Boiling Point: 143-144 °C35 mm Hg(lit.)Density: 1.568 g/mL at 25 °C(lit.)Refractive index n20/D 1.572(lit.)Flash point > 230 °FSpecific gravity 1.568Sensitivity: Moisture sensitivityBRN4989077CAS DataBase Reference: 86393-34-2use2,4-Dichloro-5-fluorobenzoyl chloride is the main raw material for the preparation of third-generation quinolones such as trifluoroperidinol, trifluoroguabutenyl, pentafluridol and synthetic broad-spectrum antibiotics such as ciprofloxacin, and can also be used for pesticides, insecticides and ovicides, as well as the identification of plastics and resins.synthesisA

Product Category: Chemical Intermediates - Other Intermediates Cas Number: 21739-92-4Product Specifications: 99% Packing: 25 kg Brand: Runde Detailed Description:5-Bromo-2-chlorobenzoic acidChinese synonyms: 2-Chloro-5-bromobenzoic acid; 5-Bromo-2-chlorobenzoic acid; 5-Bromo-2-chlorobenzoic acid; 5-BroMo-2-chlorobenzoic acid, 98+%; 5-Bromo-2-chlorobenzoic acid; 2-Chloro-5-bromobenzoic acid, 99.86%; 5-Bromo-2-chlorobenzoic acid/2-chloro-5-bromobenzoic acid; 5-BroMo-2-chlorobenzoic acid, 98+%Name: 5-Bromo-2-chlorobenzoic acidEnglish synonyms:Benzoic acid, 5-bromo-2-chloro-; 2-CHLORO-5-BROMOBENZO

Purpose 1Salicylic acid and acetic acid. Slightly soluble in water, soluble in ethanol, ether, chloroform, also soluble in hydroxide alkali solution or carbonic acid solution, and decompose at the same time. Commonly used antipyretic analgesics.

Formic acid is an natural substance with the chemical system HCOOH and a molecular weight of 46.03 , usually recognized as formic acid, which is the easiest carboxylic acid. A colorless liquid with a pungent odor. Formic acid is a susceptible electrolyte, however its aqueous answer is weakly acidic and corrosive, which can stimulate pores and skin blistering. It is typically determined in the secretions of bees, positive ants, and caterpillars.

Molecular structure dataMolar refractive index: 41.72 Molar volume (cm3/mol): 128.4 Isotonic specific volume (90.2K): 338.5 Surface tension (dyne/cm): 48.2 Polarizability (10-24cm3): 16.54 Computational chemical dataHydrophobic parameters calculation reference value (XlogP): 1.7 Number of hydrogen bonded donors: 1 Number of hydrogen bond receptors: 3 Number of rotatable chemical bonds: 1 Number of tautomers:Topological molecular polar surface area (TPSA): 54.4 Number of heavy atoms: 11 Surface charge: 0 Complexity: 206 Number of

Chinese name: citric acidChinese synonyms citric acid / citric acid; Citric anhydride; Citrate, anhydrous; Citric acid standards; Citric acid, ACS grade; Citric acid anhydrous, water-contained; Citric acid, anhydrous, ACS grade; Anhydrous citric acid standardEnglish identify CitricacidEnglish synonyms BETZ6251; BETZ0623; BORICACID-POTASSIUMCHLORIDE-SODIUMHYDROXIDEBUFFER; BUFFERCONCENTRATE,PH7.00; BUFFERCONCENTRATE,PH8.00; BUFFERCONCENTRATE,PH9.00; BUFFERCONCENTRATE,PHOSPHATE/SODIUMHYDROXIDE; BUFFERCONCENTRATE,POTASSIUMCHLORIDE/SODIUMHYDROXIDECAS wide variety 77-92-9The mole

Appearance: white or off-white crystalline powder, odorless, bitter taste. Deterioration in contact with light. Mp214-220°C (decomposition); Specific rotation [α] 25D+157.5° (dioxane), +176° (chloroform), +162°-+169° (ethanol); The ethanol solution has a maximum absorption at a wavelength of 242 nm. This product is insoluble in water, insoluble in ether, slightly soluble in chloroform, soluble in acetone, ethanol. Soluble in concentrated sulfuric acid solution and green fluorescence.

Glycine (Gly), also known as glycine, is a non-essential amino acid with the formula C2H5NO2. Glycine is a constituent amino acid of the endogenous antioxidant reduced glutathione, which is often supplemented exogenously during severe stress in the body, and is sometimes called a semi-essential amino acid. [1] Glycine is one of the simplest amino acids. [4]Solid glycine is a white to off-white crystalline powder, odorless, non-toxic [2]. Soluble in water and almost insoluble in ethanol or ether.

Aspartic acid, also known as aspartic acid, is a α-amino acid, the L-isomer of aspartic acid is one of the 20 protein amino acids, that is, the building unit of protein, its codons are GAU and GAC. It is an acidic amino acid with glutamic acid. It belongs to one of the non-essential amino acids in the human body. Aspartic acid is ubiquitous in biosynthesis. It is a synthetic precursor of amino acids such as lysine, threonine, isoleucine, methionine and purine and pyrimidine bases in living organisms.

Salicylic acid, a kind of organic acid, chemical formula C7H6O3, is a white crystalline powder, slightly soluble in cold water, easily soluble in hot water, ethanol, ether and acetone, soluble in hot benzene, mainly used as medicine, spices, dyes, pesticides, rubber additives and other important raw materials of fine chemicals.1.

Mercaptoacetic acid, is an organic acid, chemical formula is C2H4O2S, is a colorless transparent liquid, has a strong unpleasant odor, miscible with water, miscible in ethanol, ether, soluble in ordinary solvents, rapid oxidation in air, in case of open flame, high heat energy combustion and release of highly toxic hydrogen sulfide gas, mainly used as blanket finishing agent and cold scalding liquid raw materials.Physical and chemical propertiesDensity: 1.326g/cm3Melting point: -16 °cBoiling point: 220 °cFlash point: 126°CRefractive index: 1.505 (20°C)Appearance: colorless transparent liquidSo