2,7-Naphthalenedisulfonic acid, 6-amino-4-hydroxy-3-[(2-methyl-4-nitrophenyl)azo]-, disodium salt

CAS No.
6222-39-5
Chemical Name:
2,7-Naphthalenedisulfonic acid, 6-amino-4-hydroxy-3-[(2-methyl-4-nitrophenyl)azo]-, disodium salt
Synonyms
Acid Brown 9;C.I.Acid Brown 9:C.I.17165;2,7-Naphthalenedisulfonic acid, 6-amino-4-hydroxy-3-[(2-methyl-4-nitrophenyl)azo]-, disodium salt
CBNumber:
CB14780413
Molecular Formula:
C17H12N4Na2O9S2
Molecular Weight:
526.40812
MDL Number:
MOL File:
6222-39-5.mol

2,7-Naphthalenedisulfonic acid, 6-amino-4-hydroxy-3-[(2-methyl-4-nitrophenyl)azo]-, disodium salt Chemical Properties,Uses,Production

Preparation

2-Methyl-4-nitrobenzenamine diazo, in alkaline conditions and 3-Amino-5-hydroxynaphthalene-2,7-disulfonic acid coupling.

Properties and Applications

brown

Standard Light Fastness Soaping Persperation Fastness Oxygen bleaching Fastness to seawater
Fading Stain Fading Stain Fading Stain
ISO 4 3 4 2-3 1 2-3

2,7-Naphthalenedisulfonic acid, 6-amino-4-hydroxy-3-[(2-methyl-4-nitrophenyl)azo]-, disodium salt Preparation Products And Raw materials

2,7-Naphthalenedisulfonic acid, 6-amino-4-hydroxy-3-[(2-methyl-4-nitrophenyl)azo]-, disodium salt Acid Brown 9 C.I.Acid Brown 9:C.I.17165 6222-39-5