ChemicalBook > CAS DataBase List > 1,5-Diphenylcarbazide

1,5-Diphenylcarbazide

Product Name
1,5-Diphenylcarbazide
CAS No.
140-22-7
Chemical Name
1,5-Diphenylcarbazide
Synonyms
DIPHENYLCARBAZIDE;dianilinourea;Diphenylcartazide;1,3-dianilinourea;Diphenylaminourea;BIPHENYL CARBAZIDE;TIMTEC-BB SBB008713;S-DIPHENYLCARBAZIDE;DiphenylCarbazideGr;1,5-Diphenylcarbazid
CBNumber
CB9266061
Molecular Formula
C13H14N4O
Formula Weight
242.28
MOL File
140-22-7.mol
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1,5-Diphenylcarbazide Property

Melting point:
170-175 °C(lit.)
Boiling point:
385.1°C (rough estimate)
Density 
1.31 g/cm3
refractive index 
1.6120 (estimate)
storage temp. 
2-8°C
solubility 
aqueous acetone: passes test
pka
9.98±0.43(Predicted)
form 
Powder or Flakes
color 
White to cream
Odor
Odorless
Water Solubility 
Soluble in glacial acetic acid, alcohol and acetone. Slightly soluble in water.
Sensitive 
Light Sensitive
Merck 
14,3321
BRN 
752039
Stability:
Stable. Light sensitive. Incompatible with strong oxidizing agents.
CAS DataBase Reference
140-22-7(CAS DataBase Reference)
NIST Chemistry Reference
N'',n'''-diphenylcarbonohydrazide(140-22-7)
EPA Substance Registry System
Carbonic dihydrazide, 2,2'-diphenyl- (140-22-7)
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Safety

Hazard Codes 
Xi
Risk Statements 
36/37/38
Safety Statements 
26-36
WGK Germany 
3
RTECS 
FF2750000
F 
8-10-23
TSCA 
Yes
HazardClass 
IRRITANT
HS Code 
29280090
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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.

P302+P352IF ON SKIN: wash with plenty of soap and water.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

P332+P313IF SKIN irritation occurs: Get medical advice/attention.

P337+P313IF eye irritation persists: Get medical advice/attention.

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
259225
Product name
1,5-Diphenylcarbazide
Purity
ACS reagent
Packaging
25g
Price
$126
Updated
2024/03/01
Sigma-Aldrich
Product number
259225
Product name
1,5-Diphenylcarbazide
Purity
ACS reagent
Packaging
100g
Price
$257
Updated
2024/03/01
Sigma-Aldrich
Product number
1.03091
Product name
1,5-Diphenylcarbazide
Purity
GR for analysis and redox indicator ACS,Reag. Ph Eur
Packaging
25g
Price
$178
Updated
2024/03/01
Sigma-Aldrich
Product number
1.03091
Product name
1,5-Diphenylcarbazide
Purity
GR for analysis and redox indicator ACS,Reag. Ph Eur
Packaging
100g
Price
$578
Updated
2024/03/01
TCI Chemical
Product number
D1513
Product name
1,5-Diphenylcarbonohydrazide
Purity
>98.0%(HPLC)
Packaging
25g
Price
$59
Updated
2024/03/01
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1,5-Diphenylcarbazide Chemical Properties,Usage,Production

Chemical Properties

white crystals or powder

Uses

1,5-Diphenylcarbazide is used in the colorimetric determination of chromium, osmium as well as in the detection of cadmium, mercury, magnesium, emetine and aldehydes.

Uses

1,5-Diphenylcarbazideis a carbazide derivative used in the colorimteric determination of chromium as well as in the detection of cadmium, mercury, magnesium and aldehydes.

Uses

As indicator in titrating Fe; for the colorimetric determination of Cr, detection of Cd, Hg, Mg, aldehydes, emetine.

Definition

ChEBI: Diphenylcarbazide is a member of phenylhydrazines.

General Description

1,5-Diphenylcarbazide is a colorimetric reagent commonly employed in the determination of trace metals.

Purification Methods

A common impurity is phenyl-semicarbazide which can be removed by chromatography: ~8g in H2O is placed on a column (polyamide 6 powder, Macherey-Nagel-GmbH-Germany, washed several times with MeOH), eluted with H2O/MeOH/AcOH (1:3:0.04) at 7-8 drops/second, then eluted with the same solvent mixture but diluted 5 fold with H2O. The purification is followed by UV light at 280nm. The effluent is evaporated to dryness in vacuo at ~28o. [chromatography, IR & UV: Willems et al. Anal Chim Acta 51 544 1970]. Recrystallise it from EtOH by adding CCl4 to induce crystallisation, or AcOH to give a white crystalline powder which turns pink in air. It is air and light sensitive and should be stored in the dark under N2. [Beilstein 15 H 292, 15 IV 182.]

1,5-Diphenylcarbazide Preparation Products And Raw materials

Raw materials

Guaiacol carbonate Triphosgene Diphenyl carbonate Toluene Urea Iodine Methanol Dimethyl carbonate Phenylhydrazine

Preparation Products

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View Lastest Price from 1,5-Diphenylcarbazide manufacturers

Zhuozhou Wenxi import and Export Co., Ltd
Product
1.5-Diphenylcarbonohydrazide 140-22-7
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
1.5-Diphenylcarbonohydrazide 140-22-7
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
1,5-Diphenylcarbazide 140-22-7
Price
US $1.00/KG
Min. Order
1KG
Purity
99%HPLC
Supply Ability
200KG
Release date
2020-02-01

140-22-7, 1,5-DiphenylcarbazideRelated Search:

Methylhydrazine 1-PHENYLSEMICARBAZIDE Carbohydrazide Phenylhydrazine 1-FORMYL-2-PHENYLHYDRAZINE Urea S-DIPHENYLCARBAZONE Semicarbazide 1,5-Diphenylcarbazide Hydrazinium hydroxide solution 1，2-Dimethyl hydrazine 1,5-BIS(4-NITROPHENYL)CARBOHYDRAZIDE Formylhydrazine 4,4-DIPHENYLSEMICARBAZIDE 1,4-DIPHENYLSEMICARBAZIDE DIPHENYLCARBAZONE DIPHENYLCARBAZIDE,1%SOLUTIONINETHANOL DIPHENYLCARBAZIDE,0.5%SOLUTIONINACETONE

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