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Merck
CN

33153

Supelco

Diphenylcarbazone

for spectrophotometric det. of Cd, Cr, Cu, Fe, Hg, Mo

Synonym(s):

Phenylazoformic acid 2-phenylhydrazide

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About This Item

Linear Formula:
C6H5NHNHCON=NC6H5
CAS Number:
538-62-5
Molecular Weight:
240.26
Beilstein:
959475
EC Number:
208-698-0
MDL number:
MFCD00003024
UNSPSC Code:
12352200
PubChem Substance ID:
24859970

Key Documents

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description

for metal titration

quality

for spectrophotometric det. of Cd, Cr, Cu, Fe, Hg, Mo

technique(s)

titration: suitable

impurities

insoluble in ethanol, in accordance

ign. residue

≤0.1% (as SO4)

mp

119-123 °C (lit.)

suitability

passes test for Hg detection

SMILES string

O=C(NNc1ccccc1)\N=N\c2ccccc2

InChI

1S/C13H12N4O/c18-13(16-14-11-7-3-1-4-8-11)17-15-12-9-5-2-6-10-12/h1-10,14H,(H,16,18)/b17-15+

InChI key

ZFWAHZCOKGWUIT-BMRADRMJSA-N

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Other Notes

Spectrophotometric determination of many metals

Pictograms

Exclamation mark
GHS07

Signal Word

Warning

Hazard Statements

H315,H319

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

Regulatory Information

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K.L. Cheng et al. et al.
Handbook of Organic Analytical Reagents null
Z. Anal. Chem., 286, 107-107 (1977)
Katsuhiko Yokoi
Biological trace element research, 85(1), 87-94 (2002-03-08)
A colorimetic method is outlined for the determination of the chloride ion in biological samples (blood serum, plasma, and urine). The present method is based on the quantitative reduction of free mercuric ions by chloride ions. Chloride ions form an
K O Burkey et al.
Biochemistry, 20(10), 2961-2967 (1981-05-12)
The net charge on the photosystem I core complex of Shiozawa et al. (Shiozawa, J. A., Alberte, R. S., & Thornber, J. P. (1974) Arch. Biochem. Biophys. 165, 388-397) has been altered by using a water-soluble carbodiimide to form an
Varinder Kaur et al.
Annali di chimica, 97(3-4), 237-249 (2007-09-08)
Diphenycarbazone has been used for the simultaneous determination of cobalt and nickel by partial least square regression method. DPC complexes of cobalt and nickel at pH 7-10 are of pink color, which are soluble in TX-100 micellar media. A partial
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