Direct Blue 167 Usage And Synthesis

Preparation

2-[2-Amino-5-[4-amino-3-(carboxymethoxy)phenyl]-phenoxy]acetic acid double nitriding, first and 7-Benzamido-4-hydroxynaphthalene-2-sulfonic acid coupling, and then and 6-(2,4-Dimethoxyanilino)-1-naphthol-3-sulfonic acid?coupling.

Properties and Applications

navy blue. Soluble in water as dark blue, slightly soluble in alcohol. In the strong sulfuric acid as dark blue, for purple diluted. The dye solution to join strong hydrochloric acid for dark, precipitation; Add thick dark for sodium hydroxide solution, precipitation.

Direct Blue 167()Related Product Information

• disodium 3-[[4'-[[6-amino-1-hydroxy-3-sulphonato-2-naphthyl]azo]-3,3'-dimethoxy[1,1'-biphenyl]-4-yl]azo]-4-hydroxynaphthalene-1-sulphonate
• 6'-Amino-1'-hydroxy-4-[[4-[(3-sodiosulfophenyl)azo]-1-naphthalenyl]azo][1,2'-azobisnaphthalene]-3',7-disulfonic acid disodium salt
• Direct Blue 183
• 2,7-Naphthalenedisulfonic acid, 5-amino-3-[[4-[[4-[[4-[[4-[(8-amino-1-hydroxy-3,6-disulfo-2-naphthalenyl)azo]-6(or 7)-sulfo-1-naphthalenyl]azo]phenyl]amino]-3-sulfophenyl]azo]-6(or 7)-sulfo-1-naphthalenyl]azo]-4-hydroxy-, heptasodium salt
• C.I. Direct Blue 184
• C.I. Direct Blue 185
• DIRECT BLUE 189
• C.I. Direct Blue, heptasodium salt
• 4-Amino-5-hydroxy-6-[[4'-[(1-hydroxy-6-phenylamino-3-sodiosulfo-2-naphthalenyl)azo]-1,1'-biphenyl-4-yl]azo]naphthalene-1,3-disulfonic acid disodium salt