Agent Name

Zincon, monosodium salt

CAS Number

62625-22-3

Formula

C20-H16-N4-O6-S.Na

Major Category

Dyes

Synonyms

Benzoic acid, 2-((((2-hydroxy-5-sulfophenyl)azo)phenylmethylene)hydrazino)-, monosodium salt; Benzoic acid, 2-(1-(2-hydroxy-5-sulfophenyl)-3-phenyl-5-formazano)-, monosodium salt; Benzoic acid, 2-(2-((2-(2-hydroxy-5-sulfophenyl)diazenyl)phenylmethylene)hydrazinyl)-, sodium salt (1:1); Sodium hydrogen 2-(1-(2-hydroxy-5-sulphonatophenyl)-3-phenyl-5-formazano)benzoate; [ChemIDplus] 2-[5-(2-Hydroxy-5-sulfophenyl)-3-phenyl-1-formazyl]benzoic acid monosodium salt; 2-Carboxy-2'-hydroxy-5'-sulfoformazyl-benzene monosodium salt; [Sigma-Aldrich MSDS]

Category

Azo Dyes

Description

Purple solid; [Merck Index]

Sources/Uses

Used in complexometric and spectrophotometric determination of zinc, copper, nickel, cobalt, and mercury, for determination of calcium in biological media, and as a dye for staining proteins; [Merck Index]

Comments

An irritant; [Merck Index] A skin and strong eye irritant; [Sigma-Aldrich MSDS]

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