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42860

Sigma-Aldrich

1,5-Diphenylcarbazide

purum p.a., ACS reagent, for the determination of Cd, Cr, Mg, SO4 and others, ≥97.0% (HPLC)

Synonym(s):

1,5-Diphenylcarbohydrazide, sym.-Diphenylcarbazide

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About This Item

Linear Formula:
C6H5NHNHCONHNHC6H5
CAS Number:
Molecular Weight:
242.28
Beilstein:
752039
EC Number:
MDL number:
UNSPSC Code:
12352100
PubChem Substance ID:

grade

ACS reagent
purum p.a.

Assay

≥97.0% (HPLC)

quality

for the determination of Cd, Cr, Mg, SO4 and others

technique(s)

titration: suitable

mp

170-175 °C (lit.)
171-175 °C

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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Other Notes

Reagent for the determination of chromium and other metals

Pictograms

Exclamation mark

Signal Word

Warning

Hazard Statements

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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K.L. Cheng et al.
Handbook of Organic Analytical Reagents null
F El-Kabbany et al.
Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy, 78(3), 981-988 (2011-01-18)
IR analysis is used here to investigate the changes in N-N, N-H, CO modes of thermally treated diphenyl carbazide (DPC) during the variation of temperature from room temperature up to ≈160°C. Polymorphism in DPC compound has been studied here by
W Hillier et al.
Biochemistry, 36(1), 76-85 (1997-01-07)
The behavior of photosystem II (PSII) reactions was investigated under conditions of decreasing water content by the addition of increasing concentrations of ethylene glycol (EG). The photosynthetic activities were measured for PSII samples either directly in aqueous solutions of EG
Dorota Swiecicka et al.
Roczniki Panstwowego Zakladu Higieny, 59(4), 397-405 (2009-02-21)
The aim of this work was optimization and validation of the method of determination of Cr(VI) existing in the form of chromate(VI) in mineral and spring waters by High Performance Ion Chromatography (HPIC) technique with application of postcolumn reaction with
G Samanta et al.
Analytical chemistry, 73(9), 2034-2040 (2001-05-17)
An automated continuous instrument for the collection and measurement of aerosol Cr(VI) is described. The system alternately collects the sample on one of two glass fiber filters. After 15-min sample collection on one filter, the sampling switches over to the

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