3,3'-[(1,1'-Biphenyl-4,4'-diyl)bis(azo)]bis[4-hydroxy-1-naphthalenesulfonic acid sodium] salt Chemical Properties

EPA Substance Registry System

C.I. Direct Violet 43 (6426-63-7)

3,3'-[(1,1'-Biphenyl-4,4'-diyl)bis(azo)]bis[4-hydroxy-1-naphthalenesulfonic acid sodium] salt Usage And Synthesis

Preparation

4-(4-Aminophenyl)benzenamine double nitriding, and 4-Hydroxynaphthalene-1-sulfonic acid (2 Moore) coupled.

Properties and Applications

red light purple. Soluble in water for purplish red color, not soluble in alcohol. The strong sulfuric acid in the dark for, for the red light purple diluted. The dye solution to join strong sodium hydroxide solution for blue-ray red.

3,3'-[(1,1'-Biphenyl-4,4'-diyl)bis(azo)]bis[4-hydroxy-1-naphthalenesulfonic acid sodium] salt(6426-63-7)Related Product Information

• 2-Naphthalenesulfonic acid, 5,5'-[(3,3'-dimethoxy[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[6-amino-4-hydroxy-, disodium salt
• 4-Hydroxy-7-phenylamino-3-[[5-methyl-4-[(4-methyl-2-sodiosulfophenyl)azo]-2-methoxyphenyl]azo]naphthalene-2-sulfonic acid sodium salt
• C.I. Direct violet 4
• AZO BLUE
• 4-Hydroxy-3-[[4'-[(2-hydroxy-8-sodiosulfo-1-naphthalenyl)azo]-1,1'-biphenyl-4-yl]azo]naphthalene-2,5-disulfonic acid disodium salt
• 1,3-Naphthalenedisulfonic acid, 8,8'-[[1,1'-biphenyl]-4,4'-diylbis(azo)]bis[7-hydroxy-, tetrasodium salt
• 6-Amino-4-hydroxy-5-[[4'-[(1-hydroxy-4-sodiosulfo-2-naphthalenyl)azo]-1,1'-biphenyl-4-yl]azo]naphthalene-2-sulfonic acid sodium salt
• 4-Hydroxy-7-phenylamino-3-[[2,5-dimethyl-4-[(4-methyl-2-sodiosulfophenyl)azo]phenyl]azo]naphthalene-2-sulfonic acid sodium salt
• N,N'-[1,1'-Biphenyl-4,4'-diylbis(azo)bis(5-hydroxy-7-sodiosulfonaphthalene-6,2-diyl)]bis(glycine sodium) salt