2,7-Naphthalenedisulfonic acid, 4-amino-6-[[4'-[(8-amino-1-hydroxy-5-sulfo-2-naphthalenyl)azo]-3,3'-dimethyl[1,1'-biphenyl]-4-yl]azo]-5-hydroxy-3-[(2-methyl-5-nitrophenyl)azo]-, trisodium salt

CAS No.
6360-70-9
Chemical Name:
2,7-Naphthalenedisulfonic acid, 4-amino-6-[[4'-[(8-amino-1-hydroxy-5-sulfo-2-naphthalenyl)azo]-3,3'-dimethyl[1,1'-biphenyl]-4-yl]azo]-5-hydroxy-3-[(2-methyl-5-nitrophenyl)azo]-, trisodium salt
Synonyms
Direct Blue 39;C.I.Direct Blue 39:C.I.30390;2,7-Naphthalenedisulfonic acid, 4-amino-6-[[4'-[(8-amino-1-hydroxy-5-sulfo-2-naphthalenyl)azo]-3,3'-dimethyl[1,1'-biphenyl]-4-yl]azo]-5-hydroxy-3-[(2-methyl-5-nitrophenyl)azo]-, trisodium salt
CBNumber:
CB64769501
Molecular Formula:
C41H30N9Na3O13S3
Molecular Weight:
1021.89371
MDL Number:
MOL File:
6360-70-9.mol

2,7-Naphthalenedisulfonic acid, 4-amino-6-[[4'-[(8-amino-1-hydroxy-5-sulfo-2-naphthalenyl)azo]-3,3'-dimethyl[1,1'-biphenyl]-4-yl]azo]-5-hydroxy-3-[(2-methyl-5-nitrophenyl)azo]-, trisodium salt Chemical Properties,Uses,Production

Preparation

2-Methyl-5-nitrobenzenamine diazo, in acid conditions and 4-Amino-5-hydroxynaphthalene-2,7-disulfonic acid?coupling, 3,3′-Dimethylbenzidine double nitriding, first in alkaline conditions and formation of accidentally coupled nitrogen compounds, again in alkaline conditions and 4-Amino-5-hydroxynaphthalene-1-sulfonic acid coupling.

Properties and Applications

dark green light blue. Soluble in water for a blue-black, and adequate soluble in ethanol is light blue. The strong sulfuric acid for blue-black, diluted for dark purple. The dye solution to join hydrochloric acid have navy precipitation; Add thick sodium hydroxide solution for the navy.

Standard Acid Resistance Alkali Resistance Light Fastness Soaping Water
Fading Stain Fading Stain
ISO 5 4 2 1 1-2

2,7-Naphthalenedisulfonic acid, 4-amino-6-[[4'-[(8-amino-1-hydroxy-5-sulfo-2-naphthalenyl)azo]-3,3'-dimethyl[1,1'-biphenyl]-4-yl]azo]-5-hydroxy-3-[(2-methyl-5-nitrophenyl)azo]-, trisodium salt Preparation Products And Raw materials

2,7-Naphthalenedisulfonic acid, 4-amino-6-[[4'-[(8-amino-1-hydroxy-5-sulfo-2-naphthalenyl)azo]-3,3'-dimethyl[1,1'-biphenyl]-4-yl]azo]-5-hydroxy-3-[(2-methyl-5-nitrophenyl)azo]-, trisodium salt C.I.Direct Blue 39:C.I.30390 Direct Blue 39 6360-70-9