Agent Name

Chrome azurol S

CAS Number

1667-99-8

Formula

C23-H16-Cl2-O9-S.3Na

Major Category

Dyes

Synonyms

3''-Sulfo-2'',6''-dichloro-3,3'-dimethyl-4-hydroxyfuchsone-5,5'-dicarboxylic acid, trisodium salt; Alberon; Antracromo Azurol BS; C.I. 43825; C.I. Mordant Blue 29; Chromeazurol S; Chromine Sky Blue S; Chromoxane Pure Blue BLD; 5-((3-Carboxy-5-methyl-4-oxo-2,5-cyclohexadien-1-ylidene)(2,6-dichloro-3-sulfophenyl)methyl)-2-hydroxy-3-methylbenzoic acid trisodium salt; Benzoic acid, 5-((3-carboxy-5-methyl-4-oxo-2,5-cyclohexadien-1-ylidene)(2,6-dichloro-3-sulfophenyl)methyl)-2-hydroxy-3-methyl-, sodium salt (1:3); Benzoic acid, 5-((3-carboxy-5-methyl-4-oxo-2,5-cyclohexadien-1-ylidene)(2,6-dichloro-3-sulfophenyl)methyl)-2-hydroxy-3-methyl-, trisodium salt; C.I. Mordant Blue 29, trisodium salt (8CI); Trisodium 5-((3-carboxylato-5-methyl-4-oxo-2,5-cyclohexadien-1-ylidene)(2,6-dichloro-3-sulphonatophenyl)methyl)-2-hydroxy-3-methylbenzoate; [ChemIDplus]

Category

Di- and Triaryl Dyes

Description

Dark brown powder; [Sigma-Aldrich MSDS]

Sources/Uses

Used as a reagent for the spectrophotometric determination of beryllium; [ChemIDplus]

Comments

A moderate irritant; [Sigma-Aldrich MSDS]

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