1-Naphthalenesulfonic acid, 6,6'-[(3,3'-dimethoxy[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[5-hydroxy-, disodium salt Usage And Synthesis

Preparation

3,3′-Dimethoxylbenzidine double nitriding, and 5-Hydroxynaphthalene-1-sulfonic acid (2 Moore) coupled.

Properties and Applications

blue. Soluble in water for red light purple, soluble in ethanol for purple. The strong sulfuric acid for blue, purple for red after diluted. The dye solution to join strong hydrochloric acid for dark red light purple, accompanied by precipitation; Add thick sodium hydroxide solution for red light purple.

1-Naphthalenesulfonic acid, 6,6'-[(3,3'-dimethoxy[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[5-hydroxy-, disodium salt(6428-99-5)Related Product Information

• Azoform Brilliant Blue G
• Direct Blue 45
• C.I. Direct blue 49
• 5-Amino-3-[[4'-[[6-amino-1-hydroxy-5-[(4-nitro-2-sulfophenyl)azo]-3-sulfo-2-naphtyl]azo]-1,1'-biphenyl-4-yl]azo]-4-hydroxy-2,7-naphthalenedisulfonic acid tetrasodium salt
• 5-Amino-3-[[4'-[(6-amino-1-hydroxy-3-sodiosulfo-2-naphthalenyl)azo]-1,1'-biphenyl-4-yl]azo]-4-hydroxynaphthalene-2,7-disulfonic acid disodium salt
• PYRROLE BLUE
• amanil developed black bhsw
• Direct Blue 5
• 4-Amino-6-[[4'-[(7-amino-1-hydroxy-3-sulfo-2-naphtyl)azo]-1,1'-biphenyl-4-yl]azo]-3-[(2,5-dichlorophenyl)azo]-5-hydroxy-2,7-naphthalenedisulfonic acid trisodium salt