5-Amino-6-[(2-chlorophenyl)azo]-4-hydroxy-3-[[4'-[(4-hydroxyphenyl)azo]-1,1'-biphenyl-4-yl]azo]-2,7-naphthalenedisulfonic acid disodium salt Chemical Properties

EPA Substance Registry System

C.I. Direct Green 10 (6360-61-8)

5-Amino-6-[(2-chlorophenyl)azo]-4-hydroxy-3-[[4'-[(4-hydroxyphenyl)azo]-1,1'-biphenyl-4-yl]azo]-2,7-naphthalenedisulfonic acid disodium salt Usage And Synthesis

Preparation

4-(4-Aminophenyl)benzenamine double nitriding, first in alkaline conditions and o-Chloroaniline diazo, in acid conditions and 4-Amino-5-hydroxynaphthalene-2,7-disulfonic acid?and coupled the product of three, and then coupled with phenol.

Properties and Applications

dark blue light green. Soluble in water for blue light green, soluble in ethanol for green light blue. The strong sulfuric acid in galleries for, for violet after diluted. The dye solution to join strong hydrochloric acid have violet and precipitation; Add thick sodium hydroxide solution for dark green.

5-Amino-6-[(2-chlorophenyl)azo]-4-hydroxy-3-[[4'-[(4-hydroxyphenyl)azo]-1,1'-biphenyl-4-yl]azo]-2,7-naphthalenedisulfonic acid disodium salt(6360-61-8)Related Product Information

• Direct Green 100
• Direct Green 102
• 4-Amino-3-[[4'-[(2,4-diaminophenyl)azo]-1,1'-biphenyl-4-yl]azo]-1-naphthalenesulfonic acid sodium salt
• DIRECT BROWN 95
• disodium 2'-[4-[[2,6-dihydroxy-3-[(4-sulphonatophenyl)azo]phenyl]azo]phenyl]-6-methyl[2,6'-bibenzothiazole]-7-sulphonate
• CALCOMINE DARK GREEN BG
• Direct Brown 79
• trisodium 4-[[7-[(2,4-diaminophenyl)azo]-1-hydroxy-3-sulphonato-2-naphthyl]azo]-4'-[(4-hydroxyphenyl)azo][1,1'-biphenyl]-2,2'-disulphonate
• Durazol Brown 4RNS