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DIPHENYLCARBAZONE

DIPHENYLCARBAZONE Suppliers list
Company Name: Mainchem Co., Ltd.
Tel: +86-0592-6210733
Email: sales@mainchem.com
Products Intro: Product Name:DIPHENYLCARBAZONE
CAS:538-62-5
Company Name: career henan chemical co
Tel: +86-371-86658258
Email: sales@coreychem.com
Products Intro: Product Name:DIPHENYLCARBAZONE
CAS:538-62-5
Purity:95%-99% Package:1KG;1USD
Company Name: J & K SCIENTIFIC LTD.  
Tel: 400-666-7788 +86-10-82848833
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Products Intro: Product Name:Diphenylcarbazone, indicator
CAS:538-62-5
Purity:60.0%(LC) Package:10G;50G
Company Name: Meryer (Shanghai) Chemical Technology Co., Ltd.  
Tel: +86-(0)21-61259100(Shanghai) +86-(0)755-86170099(ShenZhen) +86-(0)10-62670440(Beijing)
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Products Intro: Product Name:Diphenylcarbazone
CAS:538-62-5
Purity:40% Package:25g;50g Remarks:C53003
Company Name: INTATRADE GmbH  
Tel: +49 3493/605464
Email: sales@intatrade.de
Products Intro: Product Name:Diphenylcarbazone
CAS:538-62-5
Remarks:IS02939

Lastest Price from DIPHENYLCARBAZONE manufacturers

  • DIPHENYLCARBAZONE
  • US $1.00 / KG
  • 2018-12-26
  • CAS:538-62-5
  • Min. Order: 1KG
  • Purity: 95%-99%
  • Supply Ability: 1000kg
DIPHENYLCARBAZONE Basic information
Product Name:DIPHENYLCARBAZONE
Synonyms:1,5-Diphenylcarbazone(contains Diphenylcarbazide);1,5-Diphenylcarbazone(cont.50%Diphenylcarbazid)ACS,Reag.PhEur;2-Phenylhydrazide;Phenyldiazenecarboxylic acid;S-DIPHENYLCARBAZONE;SYM-DIPHENYLCARBAZONE;PHENYLAZOFORMIC ACID 2-PHENYLHYDRAZIDE;TIMTEC-BB SBB008715
CAS:538-62-5
MF:C13H12N4O
MW:240.26
EINECS:208-698-0
Product Categories:Pharmaceutical Intermediates;Aromatic Hydrazides, Hydrazines, Hydrazones and Oximes
Mol File:538-62-5.mol
DIPHENYLCARBAZONE Structure
DIPHENYLCARBAZONE Chemical Properties
Melting point 119-123 °C(lit.)
Boiling point 382.98°C (rough estimate)
density 1.19±0.1 g/cm3 (20 ºC 760 Torr)
refractive index 1.6120 (estimate)
form Powder
color Orange
Water Solubility Soluble in acetone. Insoluble in water.
Merck 14,3322
CAS DataBase Reference538-62-5(CAS DataBase Reference)
Safety Information
Risk Statements 22-36/37/38
Safety Statements 22-24/25-36/37/39-26
RIDADR 1325
WGK Germany 3
RTECS LQ9420000
10-21
TSCA Yes
MSDS Information
ProviderLanguage
SigmaAldrich English
DIPHENYLCARBAZONE Usage And Synthesis
Chemical Propertiesorange powder
UsesIndicator
UsesAs a sensitive reagent for Hg, with which it gives a blue color.
Purification MethodsIt crystallises from EtOH (ca 5mL/g), and dry the orange-red needles at 50o. A commercial sample, nominally sym-diphenylcarbazone (m 154-156o) was a mixture of diphenylcarbazide and diphenylcarbazone. The former was removed by dissolving 5g of the crude material in 75mL of warm EtOH, then adding 25g Na2CO3 dissolved in 400mL of distilled water. The alkaline solution was cooled and extracted six times with 50mL portions of diethyl ether (discarded). Diphenylcarbazone was then precipitated by acidifying the alkaline solution with 3M HNO3 or glacial acetic acid. It was filtered off, air dried, and stored in the dark [Gerlach & Frazier Anal Chem 30 1142 1958]. Other impurities are phenylsemicarbazide and diphenylcarbodiazone. Impurities can be detected by chromatography [Willems et al. Anal Chim Acta 51 544 1970]. It is used for detection and estimation of Hg, Zn, Cd, Cr, Cu, Fe and Mo [Cheng et al. Handbook of Organic Analytical Reagents, Boca Baton 277 1982, Beilstein 16 H 24, 16 IV 17.]
DIPHENYLCARBAZONE Preparation Products And Raw materials
Raw materialsHydrogen peroxide
Tag:DIPHENYLCARBAZONE(538-62-5) Related Product Information
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