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Merck
CN

42860

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:
140-22-7
Molecular Weight:
242.28
EC Number:
205-403-7
UNSPSC Code:
12352100
PubChem Substance ID:
24866500
Beilstein/REAXYS Number:
752039
MDL number:
MFCD00003013

Key Documents

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InChI key

KSPIHGBHKVISFI-UHFFFAOYSA-N

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)

SMILES string

O=C(NNc1ccccc1)NNc2ccccc2

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

171-175 °C

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Other Notes

Reagent for the determination of chromium and other metals

pictograms

Exclamation mark
GHS07

signalword

Warning

hcodes

H315,H319

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2

Storage Class

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Information

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Certificates of Analysis (COA)

Lot/Batch Number
BCBF9703V
BCBD9400V
BCBC9855V
BCBD4680V
BCBC9854V

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K.L. Cheng et al.
Handbook of Organic Analytical Reagents null
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
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
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
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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