Solvent Yellow 15

Preparation

2-Aminobenzenesulfonic acid diazotization, and 5-Oxo-1-(2-sulfophenyl)-2,5-dihydro-1H-pyrazole-3-carboxylic acid coupling, and then convert it to Dicyclohexylamine salt.

Properties and Applications

green yellow. Yellow brown powder. Light fastness good. Soluble in alcohol, acid, good alkali resistance. Used for transparent lacquer, rubber, organic glass, aluminum foil, celluloid articles such as color, has excellent resistance transference.