Agent Name

Aurintricarboxylic acid

CAS Number

4431-00-9

Formula

C22-H14-O9

Major Category

Dyes

Synonyms

Aluminon free acid; 1,4-Cyclohexadiene-1-carboxylic acid, 3-(bis(3-carboxy-4-hydroxyphenyl)methylene)-6-oxo-; 5,5'-(3-Carboxy-4-oxocyclohexa-2,5-dienylidenemethylene)di(salicylic acid); Benzoic acid, 3,3'-((3-carboxy-4-oxo-2,5-cyclohexadien-1-ylidene)methylene)bis(6-hydroxy-; Benzoic acid, 5-((3-carboxy-4-hydroxyphenyl)(3-carboxy-4-oxo-2,5-cyclohexadien-1-ylidene)methyl)-2-hydroxy-; [ChemIDplus]

Category

Di- and Triaryl Dyes

Description

Dark red powder; [Alfa Aesar MSDS]

Sources/Uses

"A dye which inhibits protein biosynthesis at the initial stages. The ammonium salt (aluminon) is a reagent for the colorimetric estimation of aluminum in water, foods, and tissues." [ChemIDplus]

Comments

A skin and strong eye irritant; [Alfa Aesar MSDS]

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