1,7-Naphthalenedisulfonic acid, 4-(acetylamino)-6-[[4'-[[2-(acetylamino)-4-amino-5-methylphenyl]azo]-3,3'-dimethoxy[1,1'-biphenyl]-4-yl]azo]-5-hydroxy-, disodium salt Usage And Synthesis

Preparation

3,3′-Dimethoxylbenzidine double nitriding, first and 4-Acetamido-5-hydroxynaphthalene-1,7-disulfonic acid?coupling, then with N-(3-amino-4-methylphenyl)acetamide?coupling.

Properties and Applications

blue. Soluble in water for red light blue, soluble in ethanol. The strong sulfuric acid as dark blue light in purple, blue after diluted precipitation. Dye with strong hydrochloric acid solution for violet black, precipitation; With strong sodium hydroxide solution for red light brown, have precipitation; Add 10% sodium hydroxide solution for red light purple.

1,7-Naphthalenedisulfonic acid, 4-(acetylamino)-6-[[4'-[[2-(acetylamino)-4-amino-5-methylphenyl]azo]-3,3'-dimethoxy[1,1'-biphenyl]-4-yl]azo]-5-hydroxy-, disodium salt(6473-30-9)Related Product Information

• 3-[[4-[(4-Amino-2-chloro-5-methoxyphenyl)azo]-6-sulfo-1-naphtyl]azo]-4-hydroxy-2-naphthalenesulfonic acid disodium salt
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• [1-[[6-[[4-(Benzoylamino)phenyl]amino]-1-hydroxy-3-sodiosulfo-2-naphthalenyl]azo]-4-[(4-hydroxy-3-sodiooxycarbonylphenyl)azo]-6-sodiosulfo-2-naphthalenyloxy]acetic acid sodium salt
• DIRECT BLUE 15
• Direct Blue 150
• Direct Blue 151
• 3-[[4-[(4-Amino-2-sodiosulfophenyl)azo]-5-methyl-2-methoxyphenyl]azo]-4-hydroxy-7-phenylaminonaphthalene-2-sulfonic acid sodium salt