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Sigma-Aldrich

1,5-Diphenylcarbazide

ACS reagent

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Synonym(s):
DPC, 1,5-Diphenylcarbohydrazide, sym.-Diphenylcarbazide
Linear Formula:
C6H5NHNHCONHNHC6H5
CAS Number:
140-22-7
Molecular Weight:
242.28
Beilstein:
752039
EC Number:
205-403-7
MDL number:
MFCD00003013
UNSPSC Code:
12352100
PubChem Substance ID:
24855693
NACRES:
NA.21

grade

ACS reagent

Quality Level

200

form

solid

ign. residue

≤0.05%

mp

170-175 °C (lit.)
173-176 °C

solubility

aqueous acetone: passes test

suitability

passes test for sensitivity to chromate

SMILES string

O=C(NNc1ccccc1)NNc2ccccc2

InChI

1S/C13H14N4O/c18-13(16-14-11-7-3-1-4-8-11)17-15-12-9-5-2-6-10-12/h1-10,14-15H,(H2,16,17,18)

InChI key

KSPIHGBHKVISFI-UHFFFAOYSA-N

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General description

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

Application

1,5-Diphenylcarbazide may be used in the following processes:
  • As a reagent for the quantification of palladium and platinum by spectrophotometry.
  • As a mediator for the functionalization of carbon paste electrodes employed in the estimation of Hg(II) ions by differential pulse voltammetry.
  • Fabrication of gold nanoparticles that can be employed for the detection of chromium (VI) ions via colorimetry.

Pictograms

Exclamation mark
GHS07

Signal Word

Warning

Hazard Statements

H315,H319

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

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Surface-enhanced Raman scattering and DFT investigation of 1, 5-diphenylcarbazide and its metal complexes with Ca (II), Mn (II), Fe (III) and Cu (II).
Szabo L, et al.
Journal of Molecular Structure, 1073, 10-17 (2014)
Kinetic method for the determination of trace amounts of copper (II) in water matrices by its catalytic effect on the oxidation of 1, 5-diphenylcarbazide.
Crespo GA, et al.
Analytica Chimica Acta, 539(1), 317-325 (2005)
Spectrophotometric determination of platinum and palladium with 1, 5-diphenylcarbazide
Brajter K, et al.
Fresenius Journal of Analytical Chemistry, 328(1), 598-598 (1987)
Photometric and visual detection of Cr (VI) using gold nanoparticles modified with 1, 5-diphenylcarbazide.
Liu, L, et al.
Microchimica Acta, 1-7 (2016)
Determination of hexavalent chromium by species specific isotope dilution mass spectrometry and ion chromatography-1, 5-diphenylcarbazide spectrophotometry.
Tirez K, et al.
Journal of Analytical Atomic Spectrometry, 18(8), 922-932 (2003)
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