disodium (5or8)-[[3-[[4-[(3-chloro-2-methyl-5-sulphonatophenyl)azo]-3-methylphenyl]azo]-2,6-dihydroxyphenyl]azo]naphthalene-2-sulphonate

3-Amino-5-chloro-4-methylbenzenesulfonic acid diazo, and a coupling Resorcinol, its product to diazo, Coupled with resorcinol,5-Aminonaphthalene-2-sulfonic acid– and 8-Aminonaphthalene-2-sulfonic acid diazo, and the generation of double accidentally coupled nitrogen compounds.

dark red light brown.