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Merck
CN

20860

Cadion

for spectrophotometric det. of Cd, Ni, ≥98.0%

Synonym(s):

1-(4-Nitrophenyl)-3-(4-phenylazophenyl)triazene

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About This Item

Empirical Formula (Hill Notation):
C18H14N6O2
CAS Number:
5392-67-6
Molecular Weight:
346.34
EC Number:
226-395-1
UNSPSC Code:
41115717
PubChem Substance ID:
329752045
Beilstein/REAXYS Number:
935340
MDL number:
MFCD00007308

Key Documents

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assay

≥98.0%, ≥98.0% (TLC)

form

powder

InChI key

SMMIDVLUFMPWFN-FMQUCBEESA-N

InChI

1S/C18H14N6O2/c25-24(26)18-12-10-17(11-13-18)22-23-21-16-8-6-15(7-9-16)20-19-14-4-2-1-3-5-14/h1-13H,(H,21,22)/b20-19+

SMILES string

[O-][N+](=O)c1ccc(cc1)\N=N\Nc2ccc(cc2)\N=N\c3ccccc3

quality

for spectrophotometric det. of Cd, Ni

technique(s)

UV/Vis spectroscopy: suitable

Quality Level

100

Application

Cadion along with p-nitrobenzenediazoaminobenzene-p-azobenzene and Triton X-100 may be used in determination of Cadmium by dual-wavelength spectrophotometry.

Other Notes

Reagent for the determination of Cadmium(II)

pictograms

Exclamation mark
GHS07

signalword

Warning

hcodes

H302,H317

Hazard Classifications

Acute Tox. 4 Oral - Skin Sens. 1

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, Faceshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
273388/1

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H Watanabe et al.
Talanta, 26(10), 959-961 (1979-10-01)
Cadmium has been determined by dual-wavelength spectrophotometry with cadion, p-nitrobenzenediazoaminobenzene-p-azobenzene, and a non-ionic surfactant, Triton X-100. Cadion and its cadmium chelate are dissolved in a micellar solution of the surfactant. The absorbance difference at the wavelength of maximum absorption of

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