3-[[4-[(4-Amino-2-sodiosulfophenyl)azo]-5-methyl-2-methoxyphenyl]azo]-4-hydroxy-7-phenylaminonaphthalene-2-sulfonic acid sodium salt Usage And Synthesis

Preparation

2-Amino-5-nitrobenzenesulfonic acid diazo, and 2-Amino-4-methylanisole coupling, product to diazo, in alkaline conditions and 4-Hydroxy-7-(phenylamino)naphthalene-2-sulfonic acid coupling, then use the method will be reduced to amino nitro.

Properties and Applications

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

3-[[4-[(4-Amino-2-sodiosulfophenyl)azo]-5-methyl-2-methoxyphenyl]azo]-4-hydroxy-7-phenylaminonaphthalene-2-sulfonic acid sodium salt(6227-16-3)Related Product Information

• 3-[[4-[(4-Amino-2-chloro-5-methoxyphenyl)azo]-6-sulfo-1-naphtyl]azo]-4-hydroxy-2-naphthalenesulfonic acid disodium salt
• Trypan Blue
• 7-Amino-3-[[4-[(4-amino-3-sodiosulfophenyl)azo]-1-naphthalenyl]azo]-4-hydroxynaphthalene-2-sulfonic acid sodium salt
• trisodium 5-[[4-[[4-[(6-amino-1-hydroxy-3-sulphonato-2-naphthyl)azo]-1-naphthyl]azo]-6-sulphonato-1-naphthyl]azo]salicylate
• 1,7-Naphthalenedisulfonic acid, 4-(acetylamino)-6-[[4'-[[2-(acetylamino)-4-amino-5-methylphenyl]azo]-3,3'-dimethoxy[1,1'-biphenyl]-4-yl]azo]-5-hydroxy-, disodium salt
• [1-[[6-[[4-(Benzoylamino)phenyl]amino]-1-hydroxy-3-sodiosulfo-2-naphthalenyl]azo]-4-[(4-hydroxy-3-sodiooxycarbonylphenyl)azo]-6-sodiosulfo-2-naphthalenyloxy]acetic acid sodium salt
• DIRECT BLUE 15
• Direct Blue 150
• Direct Blue 151