ChemicalBook > CAS DataBase List > DIPHENYLCARBAZONE

DIPHENYLCARBAZONE

Product Name
DIPHENYLCARBAZONE
CAS No.
538-62-5
Chemical Name
DIPHENYLCARBAZONE
Synonyms
1,5-DIPHENYLCARBAZONE;>60%(HPLC);DIPHENYLCARBAZONE;2-Phenylhydrazide;Diphneylcarbazone;DiphenylCarbazoneGr;S-DIPHENYLCARBAZONE;TIMTEC-BB SBB008715;DIPHENYLCARBAZONE TS;Diphenylcarbazone,AR
CBNumber
CB9678822
Molecular Formula
C13H12N4O
Formula Weight
240.26
MOL File
538-62-5.mol
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DIPHENYLCARBAZONE Property

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. 
2-8°C
solubility 
DMSO (Slightly), Methanol (Slightly)
form 
Powder
pka
9.83±0.43(Predicted)
color 
Orange
Water Solubility 
Soluble in acetone. Insoluble in water.
Merck 
14,3322
CAS DataBase Reference
538-62-5(CAS DataBase Reference)
EPA Substance Registry System
Diazenecarboxylic acid, phenyl-, 2-phenylhydrazide (538-62-5)
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Safety

Risk Statements 
22-36/37/38
Safety Statements 
22-24/25-36/37/39-26
RIDADR 
1325
WGK Germany 
3
RTECS 
LQ9420000
F 
10-21
TSCA 
Yes
HS Code 
29280000
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Warning
Hazard statements

H315Causes skin irritation

H319Causes serious eye irritation

Precautionary statements

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

P280Wear protective gloves/protective clothing/eye protection/face protection.

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
1.03087
Product name
1,5-Diphenylcarbazone
Purity
(cont. 50% Diphenylcarbazid) ACS,Reag. Ph Eur
Packaging
25G
Price
$630
Updated
2024/03/01
Sigma-Aldrich
Product number
1.03087
Product name
1,5-Diphenylcarbazone
Purity
(cont. 50% Diphenylcarbazid) ACS,Reag. Ph Eur
Packaging
5G
Price
$138
Updated
2022/05/15
TCI Chemical
Product number
D0881
Product name
Diphenylcarbazone (contains Diphenylcarbazide)
Purity
>40.0%(HPLC)
Packaging
25g
Price
$208
Updated
2024/03/01
Alfa Aesar
Product number
H60336
Product name
Phenylazoformic acid 2-phenylhydrazide
Packaging
5g
Price
$85.1
Updated
2024/03/01
Alfa Aesar
Product number
H60336
Product name
Phenylazoformic acid 2-phenylhydrazide
Packaging
25g
Price
$268.65
Updated
2024/03/01
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DIPHENYLCARBAZONE Chemical Properties,Usage,Production

Chemical Properties

orange powder

Uses

Indicator

Uses

It is a reagent for mercury determination.

Uses

As a sensitive reagent for Hg, with which it gives a blue color.

Purification Methods

It 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 materials

Hydrogen peroxide

Preparation Products

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DIPHENYLCARBAZONE Suppliers

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View Lastest Price from DIPHENYLCARBAZONE manufacturers

Zhuozhou Wenxi import and Export Co., Ltd
Product
Diphenylcarbazone 538-62-5
Price
US $15.00-10.00/KG
Min. Order
1KG
Purity
99%+ HPLC
Supply Ability
Monthly supply of 1 ton
Release date
2021-07-10
Zhuozhou Wenxi import and Export Co., Ltd
Product
Diphenylcarbazone 538-62-5
Price
US $15.00-10.00/KG
Min. Order
1KG
Purity
99%+ HPLC
Supply Ability
Monthly supply of 1 ton
Release date
2021-07-08
Career Henan Chemical Co
Product
DIPHENYLCARBAZONE 538-62-5
Price
US $1.00/KG
Min. Order
1KG
Purity
95%-99%
Supply Ability
1000kg
Release date
2018-12-24

538-62-5, DIPHENYLCARBAZONERelated Search:

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