O-DIHYDROXYBENZENE-manufacture,factory,supplier from China

Method 1Its preparation methods are as follows:2,4-disulfophenol alkali melt hydrolysis method;o-chlorophenol hydrolysis;phenol direct oxidation;phenolic oxidation;O-hydroxycyclohexanone dehydroaromatization.Among them, (1) and (2) the process is complex, the three wastes are polluted, and they are gradually replaced by new processes, while methods (4) and methods (5) are being industrialized abroad.

Chinese aliaso-Aminobenzonitrile 2-aminobenzonitrile 2-cyanoaniline-o-cyanoaniline 2-aminobenzonitrile 50G2-aminobenzonitrile 2-aminobenzonitrile 2-amino-benzonitrile 2-aminophenylhydrazine 2-aminobenzonitrileEnglish aliasO-AMINOBENZONITRILE2-Aminobenzonitrile, (AnthranilonitrileO-CYANOANILINE2-amino-benzonitrilBenzonitrile,  o-amino-Aminobenzonitrile2-Cyano-1-aminobenzene2-amino-benzonitrile1-amino-2-cyanobenzene2-CyanoanilineEINECS 217-549-92- cyano-anilineAnthranilonitrileortho-cyanoaniline2-AminobenzolcarbonitrilBenzonitrile, 2-amino-amino benzonitrileBenzonitrile,2-amino2-Amino Benzo

Chemical composition informationINCI: 1,2-Hexanediol (1,2-Hexanediol)CAS No.：6920-22-5Molecular formula: C₆ H₁₄ O₂Molecular weight: 118.18g/molSpecific parametersAppearance: colorless transparent liquidOdor: completely odorlessPurity: >99.8%Water content: <0.2%Relative density (20°C): 0.946-0.956 g/cmRefractive index (25°C): 1.437-1.447pH (25°C): 6.5±0.5Boiling point: 223-224°C (at 760.00mm Hg)Air pressure: 9mbar (at 108°C)Flash point: 122°CMelting point: 45 °cStorage: Sealed storage in a cool place away from light and avoid high temperatures.Product advantages● Excellent grade, high pur

Chemical composition informationINCI: 1,2-Hexanediol (1,2-Hexanediol)CAS No.：6920-22-5Molecular formula: C₆ H₁₄ O₂Molecular weight: 118.18g/molSpecific parametersAppearance: colorless obvious liquidOdor: totally odorlessPurity: >99.8%Water content: <0.2%Relative density (20°C): 0.946-0.956 g/cmRefractive index (25°C): 1.437-1.447pH (25°C): 6.5±0.5Boiling point: 223-224°C (at 760.00mm Hg)Air pressure: 9mbar (at 108°C)Flash point: 122°CMelting point: forty five °cStorage: Sealed storage in a cool location away from mild and keep away f

CAS1563-56-0InchiInChI=1S/C12H9BrN2O/c13-8-4-5-10(14)9(7-8)12(16)11-3-1-2-6-15-11/h1-7H,14H2InChIkeyKHVZPFKJBLTYCC-UHFFFAOYSA-NChinese aliasBromazepam Impurity A Bromazepam Impurity A(EP) Standard 2-Amino-5-bromophenyl-2-pyridylmethanone 2-(2-amino-5-bromobenzoyl)pyridineCanonical SmilesC1=CC=NC(=C1)C(=O)C2=C(C=CC(=C2)Br)NInternationalization joint naming(2-amino-5-bromophenyl)-pyridin-2-ylmethanoneEnglish alias2-(5-Bromo-2-aminobenzoyl)pyridine(2-Amino-5-bromophenyl)-2-pyridinylmethanone2-(2-Amino-5-bromobenzoyl)pyridineKetone, 2-amino-5-bromophenyl 2-pyridyl2-Amino-5-bromophenyl-2-pyridylmet

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

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

Trehalose, additionally recognized as fenose and fungose, is a non-reducing disaccharide composed of two glucose molecules with the molecular system C12H22O11 [8].

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, barely soluble in water and ether, insoluble in chloroform, carbon tetrachloride, benzeneChemical propertiesThe easiest unsaturated dicarboxylic acid.

Phentermine (Phentermine), an organic compound with a molecular formula of C10H15N, is clinically used as an anorexia (diet drug) for the short-term treatment of moderate to severe obesity, and is listed as a Class II psychotropic drug controlBasic informationChinese name: phentermineEnglish name: phentermineMolecular Formula: C10H15NMolecular Weight: 149.233CAS number: 122-09-8EINECS number: 204-522-1PSA：26.02000LogP：2.66670Physical and chemical propertiesDensity: 0.938 g/cm3Boiling point: 206ºCFlash point: 93.1ºCRefractive index: 1.523Vapour pressure: 0.243mmHg at 25°C Molecular structu

Purpose 1It can be widely used in food, cosmetics, dietary supplements and other industries.Purpose 2Coenzymes. It is also an important antioxidant and immune booster. It is used for the adjuvant treatment of congestive heart failure, arrhythmia, sinus tachycardia, premature contractions, hypertension and cancer, and for the comprehensive treatment of acute and chronic viral hepatitis and subacute liver necrosis. In addition, it is also used for primary and secondary hyperaldosteronism, cerebrovascular disorders and hemorrhagic shock.

Methylamine has a wide range of industrial uses.

CAS 39263-32-6 Purity 98%Molecular weight 197.04 Molecular formula C7H5BrN2Leadtime In stock Size gItem No. 1031675 Application Chemical, bioindustry, pharmaceuticalFor more product specifications, please consult customer service; Product Name: 2-Amino-5-bromobenzonitrile_Leyan reagent; CAS：39263-32-6； Molecular Formula: C7H5BrN2; Molecular weight: 197.04; storage conditions: 2-8 °C, protect from light2-Amino-5-bromobenzonitrileCAS No.

Chinese aliasBromazepam Impurity A Bromazepam Impurity A(EP) Standard 2-Amino-5-bromophenyl-2-pyridylmethanone 2-(2-amino-5-bromobenzoyl)pyridineEnglish alias2-(5-Bromo-2-aminobenzoyl)pyridine(2-Amino-5-bromophenyl)-2-pyridinylmethanone2-(2-Amino-5-bromobenzoyl)pyridineKetone, 2-amino-5-bromophenyl 2-pyridyl2-Amino-5-bromophenyl-2-pyridylmethanone2-Amino-5-bromophenyl 2-pyridyl ketone(2-amino-5-bromophenyl)-pyridin-2-ylmethanone2-(2-AMINO-5-BROMOBENZOYL)  PYRIDINE4-bromo-2-[(pyridin-2-yl)carbonyl]anilineMethanone, (2-amino-5-bromophenyl)-2-pyridinyl-(2-Amino-5-bromophenyl)(2-pyridinyl)met

Molecular shape dataMolar refractive index: 41.72Molar extent (cm3/mol): 128.4Isotonic unique quantity (90.2K): 338.5Surface tension (dyne/cm): 48.2Polarizability (10-24cm3): 16.54Computational chemical dataHydrophobic parameters calculation reference price (XlogP): 1.7Number of hydrogen bonded donors: 1Number of hydrogen bond receptors: threeNumber of rotatable chemical bonds: 1Number of tautomers:Topological molecular polar floor place (TPSA): 54.4Number of heavy atoms: elevenSurface charge: zeroComplexity:

Anilidine, also known as aminobenzene, is an organic compound, chemical formula C6H7N, is a colorless oily liquid, heated to 370 °C decomposition, slightly soluble in water, soluble in ethanol, ether and other organic solvents.Aniline is one of the most important amines. It is mainly used in the manufacture of dyes, drugs, resins, and can also be used as rubber vulcanization accelerators. It itself can also be used as a black dye.

An natural compound, colorless obvious liquid with a relative density of 0.971, soluble in natural solvents such as alcohols, ethers and ethyl acetate.

1.3-Butanediol is an organic compound with a molecular formula of C4H10O2, mainly used in the preparation of polyester resin, polyurethane resin, plasticizer, etc., and also used as a humidifier and softener for textiles, paper and tobacco.Chinese Name: 1,3-ButanediolChinese aliases: 1,3-Dihydroxybutane; (±)-1,3-ButanediolEnglish alias: Butanediol; butane-1,3-diol; (3S)-butane-1,3-diol; (3R)-butane-1,3-diolCAS:107-88-0EINECS:203-529-7FEMA registration number: 2842Physical and chemical indicatorsAppearance: colorless, viscous liquid.Melting point (°C): <-54Boiling point (°C): 207°C at 760 mm

Sodium gluconate is a type of natural matter, chemical components C6H11NaO7, in the enterprise is very extensively used, sodium gluconate can be used in construction, fabric printing and dyeing and metallic floor cure and water remedy industries as environment friendly chelating agent, metal floor cleansing agent, glass bottle cleansing agent, electroplating industrial aluminum oxide coloring, in the concrete enterprise as a excessive effectivity

TriacetateGlyceryl triacetate is an organic compound with a C9H14O6 molecular formula, colorless and odorless oily liquid, miscible with ethanol, ether, chloroform and benzene, slightly soluble in water and carbon disulfide. Used as cigarette filter binder and fragrance fixative, solvent, toughening agent. And can be used in cosmetics, casting, medicine, dyes and other industries.

Chinese name: tripropylene glycolEnglish name: Tripropylene glycolAlias: H[OC2H3(CH3)]3OHEnglish synonyms: Tripropylenglycol; TRI(PROPYLENE GLYCOL); Tripropyleneglycol,90%; Tripropylene glycol 97%; Tripropylene Glycol Twothe three glycol reduction; Tripropylene Glycol(isomer mix.); 1,1'-(Propylenedioxy)dipropan-2-ol; tripropyleneglycol,mixtureofisomers; [(methylethylene)bis(oxy)]dipropanolChinese Name: Tripropylene glycolChinese synonyms: tripropylene; Diols; Dipropylene glycol; Tris(propylene glycol); trimer 1,2-propanediol; Tripropylene glycol (mixture of isomers); Dipropylene glycol (mi

Quality standardsOff-white to mild yellow crystalline appearanceContent 299% (HPLC)Melting factor 216-220°C(s2C)Moisture S21.5%Ignition residue S0.2%The ethanol water dissolution take a look at (thousand products) is qualifiedUses: used in pharmaceuticals, organic reagents, dyes, can additionally be used to synthesize 5,7-dimeryl flavonoids.As a medicine, resorcinol immediately acts on the clean muscle of the gastrointestinal tract and genitourinary tract, and is a prophilic non-atropine non-sinosynergine pure clean&nbs

Uroptrazine, additionally recognized as hexamethylenetetramine, has the system C6H12N4 and is an natural compound.It is listed in the "List of Hazardous Chemicals Prone to Explosion" [1] and managed in accordance with the "Measures for the Safety Management of Hazardous Chemicals that Can Be Made into Explosives"Toxicological dataAcute toxicity: LD50: 9200mg/kg (rat venous); 569mg/kg (mouse by way of mouth).Use of methenamine1.

Chemical propertiesFormaldehyde and resorcinol react under alkaline conditions to form orange-red compounds, which are colorimetric at a maximum absorption wavelength of 460nm to detect low traces of formaldehyde in textile and clothing.Since resorcinol can undergo enol and ketone form tautomerism, it can react with ammonia as follows:Ketone reaction of resorcinolUnder the action of ammonia, m-phenyltriamine is obtained by reaction in ketone, and the amine is hydrolyzed in the aqueous solution of acid to obtain resorcinol.