Changzhou Kewei Fine Chemical Co., Ltd.

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Changzhou Kewei Fine Chemical Co., Ltd.

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Riverside Chemical Development Area in Changzhou New District, Jiangsu Province. China , Changzhou, China

0086-519-88172210 88172216 881

Cheng Yu Jiang

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Sell ChloroacetonitrileProduct Name: ChloroacetonitrileCas No.:107-14-2Chemical Formula: C2H2ClNPlace of Origin: China SpecificationsCharacteristics: colorless fuming liqui1-NAPHTHYL ETHANOLProduct name :1-NAPHTHYL ETHANOL CAS NO.:773-99-9 AppearanceOff white crystalline powder Assay99%min Melting point62-65ºC Moisture0.5%maTHPSProduct: THPS Code: KW-105 Chemical Name: Tetrakis Hydroxymethyl Phosphonium Sulphate CAS No.: 55566-30-8 Alias: THPS Application: THPS (TetrakisBHMTAbbreviation: BHMTPMPA Molecular Formula: C17H44N3P5O15 Molecular Weight: 685 CAS Number: 34690-00-1 Appearance:Dark amber liquid Active solid:45%minSodium Borohydride solutionApperance :Yellowish liquid Assay :11.80-12.20% Assay(NaOH):36.00-44.01-cyclopropyl-6,7-difluro-1,4-dihydro-8-methoxy-4-Product Name:1-cyclopropyl-6,7-difluro-1,4-dihydro-8-methoxy-4-oxo-3-quinoline carboxylic acid ethyl ester Cas no.:112811-71-9 Specification: AppearaProgesterone raw materials1. Appearance: White or almost white, impalpable, fine powder. Free from foreign matters.2. Assay:97.0% to 103.0%3. Solubility:Practically insoluble Medroxyprogesterone Acetate raw materialsMedroxyprogesterone Acetate CAS:71-58-9 FORMULA:C24H34O4 STANDARD: BP/ EP/USPMedroxyprogesterone Acetate CAS:71-58-9 FORMULA:C24H34O4 STANDARD:DehydroepiandrosteroneItem IndexAppearance: White crystalline powderAssay: 99.0% Min.Melting point:149 to 151Rotation+12º +15ºChromatographic analyis (TLC):Confo17-ALPHA-Hydroxyprogesterone raw materialsChemical Name:17a-Hydroxyprogesterone Cas no.:68-96-2 Appearance:White or almost white crystalline powder Melting point:not less than 215 degree LossFinasterideChemical Name:N-tert-butyl-3-oxo-4-aza-5α-androst-1-ene-17β-carboxamide CAS Number : 98319-26-7 Molecular Formula: C23H36N2O2 Molecular WEpiandrosterone raw materialsNameEpiandrosteroneraw materialsSynonyms3beta-Hydroxy-5alpha-androstan-17-one; Isoandrosterone Molecular FormulaC19H30O2Molecular Weight290.44CAS RegHEDP, ATMP, DTPMP, PBTC - water treatment chemicaWe can provide HEDP, ATMP, DTPMP, PBTC, HPMA, MA-AA, AA-HPA-AMPS, PAA, PAAS, BIT, MIT ect. Our products are used as scale inhibitor, deflocculant, sWater Treatment ChemicalsWe can supply such water treatment chemicals as HEDP, ATMP, DTPMP, PBTC, HPMA, MA-AA, AA-HPA-AMPS, PAA, PAAS, BIT and MIT.These chemicals are used asAA-HPA-PSAThis product is used as the scale-retarding and dispersing agent for cooling water systems and oil-field water injection, dispersing agent for wash50% ATMP1. ATMPis used as a scale and corrosion retarding agent for water-cooling circulation and water boilers, and as a chelating agent and dye-fixing agenBenzalkonium Chloride powderAppreance:white powder Content:98%min Moisture:10%max Melting Point:38-42 degree PH:6-8 Packing:25kg/fibre druEthylenetriamine Pentamethylene Phosphonic Acid HeThis product is used as a scale and corrosion retarding agent for water-cooling circulation and water boilers, and as a chelating agent and dye-fixEthylene Diamine Tetramethylene (Sodium) PhosphateThis product is used as a scale and corrosion retarding agent for water-cooling circulation and water boilers, and as a chelating agent and dye-fixHydrolyzed Polymaleic Anhydride (HPMA)This product is used as a scale-retarding and dispersing agent for water-cooling systems, oil field water-injection and low-pressure boilers and alAcrylic Acid-Hydroxypropyl Acrylate Copolymers (AAThis product is used as a scale-retarding and dispersing agent for water-cooling and as a scale-retarding agent for low-pressure boilers and locomoAcrylic Acid-Methyl Acrylate Copolymers (AA-AM)This product is used as a scale-retarding and dispersing agent for water-cooling and as a scale-retarding agent for low-pressure boilers and locomoHexamethylenediamine Tetramethylenephosphonic AcidThis product is used as a scale and corrosion retarding agent for water-cooling circulation and water boilers, and as a chelating agent and dye-fixDiethylenetriamine Pentamethylene Phosphonic AcidThis product is used as a scale and corrosion retarding agent for water-cooling circulation and water boilers, and as a chelating agent and dye-fixSodium Polyacrylate (PAAS)This product is used as a scale-retarding and dispersing agent for cooling water and as a disperser for the dyeing, printing, textile, and coating Polyacrylic Acid (PAA)This product is used as a scale-retarding and dispersing agent for cooling water and as a disperser for the dyeing, printing, textile, and coating 5-chloro-2-methyl-4-isothiazolin-3-one, 2-methyl-4This product is used as the scale-retarding and dispersing agent for cooling water systems and oil-field water injection, dispersing agent for washinBenzalkonium ChlorideSpecifications: 1) Clear pale yellow colloid liquid 2) Content of active substance: 80% min. 3) Content of ammonium chloride: 3.0% max. 4) pH: 6.0 - 50% PBTCPBTCis used as a scale and corrosion retarding agent for water-cooling circulation and water boilers, and as a chelating agent and dye-fixing agentHEDPProduct: HEDP Code: KW-100 1. CAS NO.: 2809-21-4 2.Chemical Name: Hydroxyethylidene-1, 1-Diphosphonic Acid 3.Alias: HEDPA; 1-Hydroxyethylidene-bisph

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