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Merck
CN

96440

Zincon monosodium salt

for spectrophotometric det. of Cu, Zn

Synonym(s):

2-Carboxy-2′-hydroxy-5′-sulfoformazyl-benzene monosodium salt, 2-[5-(2-Hydroxy-5-sulfophenyl)-3-phenyl-1-formazyl]benzoic acid monosodium salt

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About This Item

Empirical Formula (Hill Notation):
C20H15N4NaO6S
CAS Number:
62625-22-3
Molecular Weight:
462.41
UNSPSC Code:
23151816
NACRES:
NA.21
PubChem Substance ID:
329770506
EC Number:
263-651-1
Beilstein/REAXYS Number:
728403
MDL number:
MFCD00064385

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InChI key

DVHNWVSFUULGKM-XJRAADKASA-M

InChI

1S/C20H16N4O6S.Na/c25-18-11-10-14(31(28,29)30)12-17(18)22-24-19(13-6-2-1-3-7-13)23-21-16-9-5-4-8-15(16)20(26)27;/h1-12,21,25H,(H,26,27)(H,28,29,30);/q;+1/p-1/b23-19-,24-22+;

SMILES string

[Na+].OC(=O)c1ccccc1N/N=C(\N=N\c2cc(ccc2O)S([O-])(=O)=O)c3ccccc3

form

solid

quality

for spectrophotometric det. of Cu, Zn

technique(s)

UV/Vis spectroscopy: suitable, titration: suitable

mp

250-260 °C (dec.)

Quality Level

100

Related Categories

General description

Molar absorption coefficients and stability constants of Zincon metal complexes for determination of metal ions and bioinorganic applications. A. Kocyla, A. Pomorski, A. Krezel, Journal of Inorganic Biochemistry 176, 53-65, (2017).

Application

A colorimetric indicator for Zn, Cu and Hg

Other Notes

Reagent for the spectrophotometric determination of zinc; Simultaneous determination of zinc and copper; Used in automated flow injection analysis of zinc

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

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Certificates of Analysis (COA)

Lot/Batch Number
BCCP1343
BCCM4058
BCCK6785
BCCH3040
BCCF2494

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J.A. Platte et al.
Analytical Chemistry, 31, 1226-1226 (1959)
R.M. Rush et al.
Analytical Chemistry, 26, 1345-1345 (1954)
Anna Kocyła et al.
Journal of inorganic biochemistry, 176, 53-65 (2017-09-02)
Zincon (ZI) is one of the most common chromophoric chelating probes for the determination of Zn2+ and Cu2+ ions. It is also known to bind other metal ions. However, literature data on its binding properties and molar absorption coefficients are
Piotr Szczepanowski et al.
Nucleic acids research, 49(12), 6863-6879 (2021-06-18)
Helicobacter pylori is a gram-negative, microaerophilic, pathogenic bacterium and a widespread colonizer of humans. H. pylori has developed mechanisms that enable it to overcome the harsh environment of the human stomach, including reactive oxygen species (ROS). Interestingly, up to now no
J.T. McCall et al.
Analytical Chemistry, 30, 1345-1345 (1958)
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