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DIPHENYLCARBAZONE

DIPHENYLCARBAZONE Suppliers list
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: SHANDONG ZHI SHANG CHEMICAL CO.LTD
Tel:
Email: sales@sdzschem.com
Products Intro: Product Name:Phenylazoformic acid 2-phenylhydrazide
CAS:538-62-5
Package:2.5KG;500G
Company Name: Chongqing Chemdad Co., Ltd
Tel: +86-13650506873
Email: sales@chemdad.com
Products Intro: Product Name:DIPHENYLCARBAZONE
CAS:538-62-5
Purity:0.98 Package:1kg,2kg,5kg,10kg,25kg
Company Name: Alchem Pharmtech,Inc.
Tel: 8485655694
Email: sales@alchempharmtech.com
Products Intro: Product Name:1,5-Diphenylcarbazone
CAS:538-62-5
Purity:97+% Package:1g;10g;100g;;1kg Remarks:Z-72004
Company Name: HENAN BON INDUSTRIAL CO.,LTD
Tel: 0371-55170695
Email: info@hnbon.com
Products Intro: CAS:538-62-5
Purity:0.99 Package:25KG;5KG;1KG;500G

Lastest Price from DIPHENYLCARBAZONE manufacturers

  • Diphenylcarbazone
  • US $15.00-10.00 / KG
  • 2021-07-13
  • CAS:538-62-5
  • Min. Order: 1KG
  • Purity: 99%+ HPLC
  • Supply Ability: Monthly supply of 1 ton
  • Diphenylcarbazone
  • US $15.00-10.00 / KG
  • 2021-07-09
  • CAS:538-62-5
  • Min. Order: 1KG
  • Purity: 99%+ HPLC
  • Supply Ability: Monthly supply of 1 ton
  • DIPHENYLCARBAZONE
  • US $1.00 / KG
  • 2019-07-06
  • CAS:538-62-5
  • Min. Order: 1KG
  • Purity: 95%-99%
  • Supply Ability: 1000kg
DIPHENYLCARBAZONE Basic information
Product Name:DIPHENYLCARBAZONE
Synonyms:Diphenylcarbazone Compound with s-Diphenylcarbazide, Reagent;(E)-1,5-diphenylcarbazone;1-Phenyl-2-[hydroxy(phenylazo)methylene]hydrazine;PhenylazoforMic acid 2-phenylhydrazide, suitable for coloriMetric analysis 10GR;(contains Diphenylcarbazide);Diphenylcarbazone ;Diphenylcarbazone, for analysis;1,5-DIPHENYLCARBAZONE
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)
storage temp. Sealed in dry,2-8°C
form Powder
pka9.83±0.43(Predicted)
color Orange
Water Solubility Soluble in acetone. Insoluble in water.
Merck 14,3322
CAS DataBase Reference538-62-5(CAS DataBase Reference)
EPA Substance Registry SystemDiazenecarboxylic acid, phenyl-, 2-phenylhydrazide (538-62-5)
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
HS Code 29280000
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
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