4-amino-3-hydroxy-7-nitronaphthalene-1-sulfonic acid

Cuprate(1-),[3-(hydroxy-kO)-4-[[1-(hydroxy-kO)-2-naphthalenyl]azo-kN1]-7-nitro-1-naphthalenesulfonato(3-)]-,sodium (9CI) Direct Red 173 Mordant Red 49 Chromate(3-), bis[3-(hydroxy-κO)-4-[[2-(hydroxy-κO)-3-[[(2-methylphenyl)amino]carbonyl]-1-naphthalenyl]azo-κN1]-7-nitro-1-naphthalenesulfonato(3-)]-, disodium hydrogen C.I. Acid Black 194

Chromate,bis[4-[[3-[(5-chloro-2-hydroxyphenyl)azo]-2,4-dihydroxyphenyl]azo]-3-hydroxy-7-nitro-1-naphthalenesulfonato]-,disodium hydrogen Chromate(3-), bis[3-(hydroxy-κO)-4-[[2-(hydroxy-κO)-1-naphthalenyl]azo-κN1]-7-[[(4-methylphenyl)sulfonyl]amino]-1-naphthalenesulfonato(3-)]-, disodium hydrogen Acid Green 122 Eriochrome Black A Chromate(2-), hydroxy[3-(hydroxy-κO)-4-[[1-(hydroxy-κO)-8-sulfo-2-naphthalenyl]azo-κN1]-7-nitro-1-naphthalenesulfonato(4-)]-, disodium, (T-4)-

Eriochrome Black T C.I. Direct Blue 185 ACID BLACK 52 Acid Black 102 REACTIVE BLACK 1

Acid Black 243