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;5-Diphenylcarbazide
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)
bulk density: 420kg/m3
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: $130
Updated: 2025/07/31

Sigma-Aldrich

Product number: 259225
Product name: 1,5-Diphenylcarbazide
Purity: ACS reagent
Packaging: 100g
Price: $265
Updated: 2025/07/31

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: $183
Updated: 2025/07/31

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: $593
Updated: 2025/07/31

TCI Chemical

Product number: D1513
Product name: 1,5-Diphenylcarbonohydrazide
Purity: >98.0%(HPLC)
Packaging: 25g
Price: $64
Updated: 2025/07/31

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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:

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1,5-DIPHENYLCARBOHYDRAZIDE PWD

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CAS No.140-22-7 1,5-Diphenylcarbazide