Benzoic acid, 5-[[4-[[4-[[6-[(4-aminobenzoyl)amino]-1-hydroxy-3-sulfo-2-naphthalenyl]azo]benzoyl]amino]phenyl]azo]-2-hydroxy-, disodium salt Usage And Synthesis

Preparation

4-Nitrobenzenamine diazo, first with 2-Hydroxybenzoic acid coupling, and then will The nitro reduction, and nitrobenzene formex condensation of chlorine, then The nitro reduction nitride pay equal attention to, and 7-(4-Aminobenzamido)-4-hydroxynaphthalene-2-sulfonic acid coupling.

Properties and Applications

colourful red yellow light. Soluble in water is palm red light to orange, soluble in alcohol. The strong sulfuric acid for blue-ray in red, orange brown for colourful after diluted. Dye with strong hydrochloric acid solution for purplish red color, have precipitation; With strong sodium hydroxide solution for palm light orange, the red light.

Benzoic acid, 5-[[4-[[4-[[6-[(4-aminobenzoyl)amino]-1-hydroxy-3-sulfo-2-naphthalenyl]azo]benzoyl]amino]phenyl]azo]-2-hydroxy-, disodium salt(7198-98-3)Related Product Information

• Chloramine Rubine
• C.I. Direct Red 169, disodium salt
• DIRECT RED 16
• 2-Hydroxy-5-[[4'-[(2-hydroxy-3,6-disulfo-1-naphtyl)azo]-1,1'-biphenyl-4-yl]azo]benzoic acid trisodium salt
• [4-Chloro-2-[[1-hydroxy-6-[[4-[(8-hydroxy-5-quinolinyl)azo]benzoyl]amino]-3-sulfo-2-naphtyl]azo]phenoxy]acetic acid
• Naphtho[2,1-d]thiazole-8-sulfonic acid, 2-(3-aminophenyl)-7-[(2,4-dimethylphenyl)azo]-6-hydroxy-, monosodium salt
• 7,7'-(Carbonyldiimino)bis[4-hydroxy-3-[(2-hydroxy-5-nitrophenyl)azo]-2-naphthalenesulfonic acid]disodium salt
• Direct Red 173
• disodium 5-[[4-[[[4-[[6-[(4-aminobenzoyl)amino]-1-hydroxy-3-sulphonato-2-naphthyl]azo]phenyl]amino]carbonyl]phenyl]azo]salicylate