Acid Black 69 Usage And Synthesis

Preparation

4-(4-Aminophenyl)benzenamine double nitriding, in acid conditions coupled with 4-Amino-5-hydroxynaphthalene-2,7-disulfonic acid, 2-Aminobenzenesulfonic acid diazo, in alkaline conditions and the product of the above-mentioned income coupling, and then and 3-Acetylamino-N,N-diethylaniline coupling.

Properties and Applications

black. Soluble in water for violet black. The strong sulfuric acid for navy blue; Diluted into violet. In water solution to join strong hydrochloric acid have dark purple precipitation; Add thick sodium hydroxide solution have green gray precipitation.

Acid Black 69()Related Product Information

• hexasodium hydrogen bis[4-hydroxy-3-[(2-hydroxy-5-nitro-3-sulphophenyl)azo]-6-[(sulphomethyl)amino]naphthalene-2-sulphonato(5-)]chromate(7-)
• C.I. Acid black 70
• ACID BLACK 63:1
• ACID BLACK 94
• Acid Black D
• 4-Amino-3-[[4'-[(2,7-diamino-1-naphtyl)azo]-1,1'-biphenyl-4-yl]azo]-5-hydroxy-6-[(4-nitro-2-sulfophenyl)azo]-2,7-naphthalenedisulfonic acid trisodium salt
• Acid Black 93
• Acid Black 86
• Chromate,bis[4-[[3-[(5-chloro-2-hydroxyphenyl)azo]-2,4-dihydroxyphenyl]azo]-3-hydroxy-7-nitro-1-naphthalenesulfonato]-,disodium hydrogen