5-[[4'-[[8-Amino-1-hydroxy-7-[(2-nitrophenyl)azo]-3,6-disulfo-2-naphtyl]azo]-1,1'-biphenyl-4-yl]azo]-2-hydroxybenzoic acid trisodium salt

CAS No.
6360-62-9
Chemical Name:
5-[[4'-[[8-Amino-1-hydroxy-7-[(2-nitrophenyl)azo]-3,6-disulfo-2-naphtyl]azo]-1,1'-biphenyl-4-yl]azo]-2-hydroxybenzoic acid trisodium salt
Synonyms
C.I.30310;Direct Green 9;C.I.Direct Green 9;C.I.Direct Green 9:C.I.30310;5-[[4'-[[8-Amino-1-hydroxy-7-[(2-nitrophenyl)azo]-3,6-disulfo-2-naphtyl]azo]-1,1'-biphenyl-4-yl]azo]-2-hydroxybenzoic acid trisodium salt;Benzoic acid, 5-((4'-((8-amino-1-hydroxy-7-((2-nitrophenyl)azo)-3,6-disulfo-2-naphthalenyl)azo)(1,1'-biphenyl)-4-yl)azo)-2-hydroxy-, trisodium salt
CBNumber:
CB62234537
Molecular Formula:
C35H24N8O12S2.3Na
Molecular Weight:
881.72
MDL Number:
MOL File:
6360-62-9.mol

5-[[4'-[[8-Amino-1-hydroxy-7-[(2-nitrophenyl)azo]-3,6-disulfo-2-naphtyl]azo]-1,1'-biphenyl-4-yl]azo]-2-hydroxybenzoic acid trisodium salt Properties

EPA Substance Registry System C.I. Direct Green 9 (6360-62-9)

5-[[4'-[[8-Amino-1-hydroxy-7-[(2-nitrophenyl)azo]-3,6-disulfo-2-naphtyl]azo]-1,1'-biphenyl-4-yl]azo]-2-hydroxybenzoic acid trisodium salt Chemical Properties,Uses,Production

Preparation

4-(4-Aminophenyl)benzenamine double nitriding, first in alkaline conditions and 2-Nitrobenzenamine?diazo, in acid conditions and 4-Amino-5-hydroxynaphthalene-2,7-disulfonic acidand coupled the product of three, and then and 2-Hydroxybenzoic acid?coupling.

Properties and Applications

dark green. Soluble in water for the green, slightly soluble in ethanol for blue light green. The strong sulfuric acid for violet black, Gray light green for diluted. The dye solution to join strong hydrochloric acid have blue light green precipitation; Add thick sodium hydroxide solution have green olive precipitation.

Standard Acid Resistance Alkali Resistance Light Fastness Soaping Water
Fading Stain Fading Stain
ISO 4 4 2 1-2 2

5-[[4'-[[8-Amino-1-hydroxy-7-[(2-nitrophenyl)azo]-3,6-disulfo-2-naphtyl]azo]-1,1'-biphenyl-4-yl]azo]-2-hydroxybenzoic acid trisodium salt Preparation Products And Raw materials

5-[[4'-[[8-Amino-1-hydroxy-7-[(2-nitrophenyl)azo]-3,6-disulfo-2-naphtyl]azo]-1,1'-biphenyl-4-yl]azo]-2-hydroxybenzoic acid trisodium salt C.I.30310 C.I.Direct Green 9 Benzoic acid, 5-((4'-((8-amino-1-hydroxy-7-((2-nitrophenyl)azo)-3,6-disulfo-2-naphthalenyl)azo)(1,1'-biphenyl)-4-yl)azo)-2-hydroxy-, trisodium salt C.I.Direct Green 9:C.I.30310 Direct Green 9 6360-62-9