Agent Name

Zincon

CAS Number

135-52-4

Formula

C20-H16-N4-O6-S

Major Category

Dyes

Synonyms

2-Carboxy-2'-hydroxy-5'-sulfoformazylbenzene; 2-(1-(2-Hydroxy-5-sulfophenyl)-3-phenyl-5-formazano)benzoic acid; 2-(1-(2-Hydroxy-5-sulphophenyl)-3-phenyl-5-formazano)benzoic acid; Benzoic acid, 2-((((2-hydroxy-5-sulfophenyl)azo)phenylmethylene)hydrazino)-; Benzoic acid, 2-(1-(2-hydroxy-5-sulfophenyl)-3-phenyl-5-formazano)-; Benzoic acid, 2-(2-((2-(2-hydroxy-5-sulfophenyl)diazenyl)phenylmethylene)hydrazinyl)-; [ChemIDplus] 2-[2-[[2-(2-Hydroxy-5-sulfophenyl)diazenyl]phenylmethylene]hydrazinyl]benzoic acid; 2-[[alpha-(2-Hydroxy-5-sulfophenylazo)-benzylidene]-hydrazino]-benzoic acid; o-[1-(2-Hydroxy-5-sulfophenyl)-3-phenyl-5-formazane]benzoic acid; 2-[5-(2-Hydroxy-5-sulfophenyl)-3-phenyl-1-formazyl]benzoic acid; [1-(2-Hydroxy-5-sulfophenyl)-3-phenyl-5-(2-carboxyphenyl) formazan]; [Merck Index]

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

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

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