5-Amino-3-[[4'-[[2,4-diamino-5-[[3-[(2,4-diaminophenyl)azo]phenyl]azo]phenyl]azo][1,1'-biphenyl]-4-yl]azo]-4-hydroxynaphthalene-2,7-disulfonic acid disodium salt

CAS No.
6473-10-5
Chemical Name:
5-Amino-3-[[4'-[[2,4-diamino-5-[[3-[(2,4-diaminophenyl)azo]phenyl]azo]phenyl]azo][1,1'-biphenyl]-4-yl]azo]-4-hydroxynaphthalene-2,7-disulfonic acid disodium salt
Synonyms
C.I.35210;Diazo Brown G;Direct Brown 127;C.I.Direct Brown 127;Benzamin Dark Brown GS;C.I.Direct Brown 127:C.I.35210;N-(4-chloro-2-methylphenyl)-2-(3,5-dimethyl-N-methylsulfonylanilino)acetamide;5-Amino-3-[[4'-[[2,4-diamino-5-[[3-[(2,4-diaminophenyl)azo]phenyl]azo]phenyl]azo][1,1'-biphenyl]-4-yl]azo]-4-hydroxynaphthalene-2,7-disulfonic acid disodium salt
CBNumber:
CB82418450
Molecular Formula:
C40H34N13NaO7S2
Molecular Weight:
895.91
MDL Number:
MOL File:
6473-10-5.mol

5-Amino-3-[[4'-[[2,4-diamino-5-[[3-[(2,4-diaminophenyl)azo]phenyl]azo]phenyl]azo][1,1'-biphenyl]-4-yl]azo]-4-hydroxynaphthalene-2,7-disulfonic acid disodium salt Chemical Properties,Uses,Production

Preparation

4-(4-Aminophenyl)benzenamine double nitriding, first in alkaline conditions and 4-Amino-5-hydroxynaphthalene-2,7-disulfonic acid?coupling, and then and C.I. Basic Brown 1 (with 2 moles of nitrous acid treatment with 3 moles of??Benzene-1,3-diamine?dihydrochloride derived)?coupled.

Properties and Applications

black light brown. Moderate soluble in water for violet black, soluble in ethanol for shallow violet brown. The strong sulfuric acid for blue-ray black, diluted for shallow violet brown. Dye with strong hydrochloric acid solution for red sauce; Add thick sodium hydroxide solution for sauce also red.

Standard Acid Resistance Alkali Resistance Light Fastness Soaping Water
Fading Stain Fading Stain
AATCC 5 5 2 3-4 3-4

5-Amino-3-[[4'-[[2,4-diamino-5-[[3-[(2,4-diaminophenyl)azo]phenyl]azo]phenyl]azo][1,1'-biphenyl]-4-yl]azo]-4-hydroxynaphthalene-2,7-disulfonic acid disodium salt Preparation Products And Raw materials

5-Amino-3-[[4'-[[2,4-diamino-5-[[3-[(2,4-diaminophenyl)azo]phenyl]azo]phenyl]azo][1,1'-biphenyl]-4-yl]azo]-4-hydroxynaphthalene-2,7-disulfonic acid disodium salt Benzamin Dark Brown GS C.I.35210 C.I.Direct Brown 127 Diazo Brown G N-(4-chloro-2-methylphenyl)-2-(3,5-dimethyl-N-methylsulfonylanilino)acetamide Direct Brown 127 C.I.Direct Brown 127:C.I.35210 6473-10-5