[[4'-[[1-Hydroxy-6-(phenylamino)-3-sulfo-2-naphthalenyl]azo]-3,3'-dimethoxy[1,1'-biphenyl]-4-yl]amino]oxoacetic acid disodium salt Usage And Synthesis

Preparation

3,3′-Dimethoxy-4-amino-4,-biphenyloxamic acid?diazo, and 4-Hydroxy-7-(phenylamino)naphthalene-2-sulfonic acid coupling.

Properties and Applications

bright purple. Soluble in water for red light purple, soluble in ethanol for product red. The strong sulfuric acid for blue, for purple diluted. The dye solution to join strong hydrochloric acid has the purple precipitation; Add sodium hydroxide solution have strong purplish red precipitate.

[[4'-[[1-Hydroxy-6-(phenylamino)-3-sulfo-2-naphthalenyl]azo]-3,3'-dimethoxy[1,1'-biphenyl]-4-yl]amino]oxoacetic acid disodium salt(6417-26-1)Related Product Information

• 5-Amino-3-[[4'-[(2,4-diaminophenyl)azo]-1,1'-biphenyl-4-yl]azo]-4-hydroxy-2,7-naphthalenedisulfonic acid disodium salt
• Direct Violet 87
• tetrasodium 3,3'-(carbonyldiimino)bis[6-[[1-hydroxy-6-(phenylamino)-3-sulphonato-2-naphthyl]azo]benzoate]
• 7-Hydroxy-8-[[4'-[[1-hydroxy-6-(phenylamino)-3-sulfo-2-naphtyl]azo]-1,1'-biphenyl-4-yl]azo]-1,3-naphthalenedisulfonic acid trisodium salt
• C.I. Direct Violet 99
• Acetic acid, 2,2'-[carbonylbis[imino[6-[[1-hydroxy-6-[(4-methoxyphenyl)amino]-3-sulfo-2-naphthalenyl]azo]-3,1-phenylene]oxy]]bis-, tetrasodium salt
• DIRECT VIOLET 9
• Direct Violet 89
• 2,7-Naphthalenedisulfonic acid, 4-amino-3-[[4-[[[[4-[(6-amino-1-hydroxy-3-sulfo-2-naphthalenyl)azo]phenyl]amino]carbonyl]amino]phenyl]azo]-5-hydroxy-, trisodium salt