Gravocainhydrochloride-manufacture,factory,supplier from China

Appearance: Colorless liquid. The boiling point is 189 °C, the relative density is 1.073 (25/4 °C), the refractive index is 1.4494, and the flash point is 76 °C. Soluble in organic solvents, insoluble in water.Melting point -52 °cBoiling Point: 189 °C(lit.)Density 1.075 g/mL at 20 °CVapor pressure 4.2hPa at 25°CRefractive index n20/D 1.449(lit.)Flash point 169 °FStorage conditions RefrigeratorMorphological liquidThe color is transparentWater solubility: 0.5-1.0 g/100 mL at 20 ºCBRN2506Stability is unstable. Sensitivity to light. MEHQ of about 100 ppm can be used as a stabilizer.

2-Amino-3-hydroxypyridine properties, uses and production processPhysical and chemical properties 2-Amino-3-hydroxypyridine is gray-white to brown powder at room temperature and pressure, and has a certain alkalineness. It is insoluble in water, but has good solubility in alcoholic organic solvents, and can also be soluble in dimethyl sulfoxide with strong polarity. The chemical reaction 2-amino-3-hydroxypyridine structure contains a pyridine ring unit, the active hydroxyl group and amino group structure, and has good chemical reaction activity.

Appearance: Light yellow crystalline powderMelting Point: 128-130 °C(lit.)Boiling Point:563.2±42.0 °C(Predicted)Density 1.63refractive index1.6200 (estimate)Storage conditions: Refrigerator, Under Inert AtmosphereSolubility soluble in chloroform (a little), methanol (a little)pKa1.22±0.10(Predicted)Morphological solidsThe color is pale yellowStability: Moisture sensitiveInChIKeyCOFDRZLHVALCDU-YVLHZVERSA-NCAS DataBase Reference80756-85-0Brief introductionAE-active ester, chemical name 2-methoxyimino-2-(2-amino-4-thiazolyl)-(z)-thioacetic acid benzothiazole ester.

Chinese name: 1-[[2-(4-chlorophenyl)ethyl]amino]-2-chloropropane hydrochloride Chinese synonymous with inexperienced casserin intermediate; Lorcaserin intermediate 2; Lorcaserin Impurity B; 1-[[2-(4-chlorophenyl)ethyl]amino]-2-chloropropane hydrochloride; Lorcaserin hydrochloride intermediate 2; 2-Chloro-N-(4-chlorophenethyl)propan-1-amine chloride; Lorcaserin impurity B (EP); Chlorocasein Impurity B English title 1-[[2-(4-Chlorophenyl)ethyl]amino]-2-chloropropane English synonym 1-[[2-(4-Chlorophenyl)ethyl]amino]-2-chloropropane; 1-[[2-(4-Chlorophenyl)ethyl]amino]-2-chloro

N,N-dimethylformamide is an natural compound with the components C3H7NO and is a colorless obvious liquid. It is no longer solely a chemical uncooked fabric with a large vary of uses, however additionally an tremendous solvent with a broad vary of uses.

CAS No. 503615-07-4Molecular components C22H22N4O4 molecular weight 406.43EINECS No.

 Experimental characteristicsLogP2.47600PSA55.98000Melting point 153-155°CDensity 1.215 Calculate the characteristicsExact molecular weight 198.07900Number of hydrogen bonded donors 1Number of hydrogen bond receptors 3Number of rotatable chemical bonds 2Number of heavy atoms 15Complexity 230Number of isotope atoms 0Determine the number of atomic stereoscopic centers 0The number of atomic stereoscopic centers is uncertain 0Determine the number of chemical bond stereotactic centers 0The number of chemical bond stereotactic centers is uncertain 0Number of covalent bond units 1Hydrophobi

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

1-(DIMETHYLAMINO)HEXADECANEArmeen DM 16DCETYLDIMETHYLAMINEDIMETHYL HEXADECYLAMINEhexadecyldimethylamineN,N-DIMETHYLCETYLAMINEN,N-DIMETHYLHEXADECYLAMINEN,N-DIMETHYL-N-HEXADECYLAMINEN,N-DIMETHYLPALMITYLAMINEAdma 16bairdcatb16Crodamine 3.A16DDimethyl palmitamineDimethyl-1-hexadecanamineDimethylcetylamineDimethyl-n-hexadecylaminedimethylpalmitylaminegenamin16r302dHexadecylamine, N,N-dimethyl-n,n-dimethyl-1-hexadecanaminCetyl dimethyl tertiary amine is an industrial fungicide.

Magnesium sulfate solution, volumetric laxatives and choleretic agents. It is used for catharsis, choleretic, duodenal drainage and local swelling.Ingredients BroadcastThe main component of this product is magnesium sulfate.It is a sterilized aqueous solution of magnesium sulfate. Magnesium sulfate (MgSO4.7H2O) should be 95.0%~105.0% of the labeled amount.Molecular formula: MgSO4·7H2OMolecular weight: 246.48Indications BroadcastVolumetric laxatives and choleretics.

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.

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 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.

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.

CAS 39263-32-6 Purity 98%Molecular weight 197.04 Molecular components C7H5BrN2Leadtime In inventory Size gItem No. 1031675 Application Chemical, bioindustry, pharmaceuticalFor greater product specifications, please seek advice from consumer 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, guard from light2-Amino-5-bromobenzonitrileCAS No.

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.

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

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

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.

Also known as fluorenoneSpecification or purity 99%The English name is 9-FluorenoneApplication It is a raw material for the preparation of a variety of fine chemicals, mainly used in functional polymers, and it can also be used in medicine, pesticides, and dyes. 9-fluorenone has been widely used as a precursor for the synthesis of various organic electronic materials. Some general examples are: · • Synthesis of the bodies of blue and green phosphorescent organic light-emitting diodes (PHOLEDs). Synthesis of fluorenyl molecular motors.

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

The appearance is colorless and crystalline, and it can be sublimated when it is exposed to light or discoloration in the air.Appearance trait: colorless crystal. Discoloration in case of air and light. Its solution turns tan in the air.