4-Amino-6-[(4-aminophenyl)azo]-3-[[4'-[[5-[(4-aminophenyl)azo]-2,4-diaminophenyl]azo][1,1'-biphenyl]-4-yl]azo]-5-hydroxynaphthalene-2,7-disulfonic acid disodium salt

CAS No.
6473-08-1
Chemical Name:
4-Amino-6-[(4-aminophenyl)azo]-3-[[4'-[[5-[(4-aminophenyl)azo]-2,4-diaminophenyl]azo][1,1'-biphenyl]-4-yl]azo]-5-hydroxynaphthalene-2,7-disulfonic acid disodium salt
Synonyms
C.I.35075;Direct Black 34;C.I.Direct Black 34;Chrome Leather Black A;C.I.Direct Black 34:C.I.35075;2,7-Naphthalenedisulfonic acid, 4-amino-6-((4-aminophenyl)azo)-3-((4'-((2,4-diamino-5-((4-aminophenyl)azo)phenyl)azo)(1,1'-biphenyl)-4-yl)azo)-, disodium salt;4-Amino-6-[(4-aminophenyl)azo]-3-[[4'-[[5-[(4-aminophenyl)azo]-2,4-diaminophenyl]azo][1,1'-biphenyl]-4-yl]azo]-5-hydroxynaphthalene-2,7-disulfonic acid disodium salt
CBNumber:
CB12315608
Molecular Formula:
C40H33N13O7S2.2Na
Molecular Weight:
917.9
MDL Number:
MOL File:
6473-08-1.mol

4-Amino-6-[(4-aminophenyl)azo]-3-[[4'-[[5-[(4-aminophenyl)azo]-2,4-diaminophenyl]azo][1,1'-biphenyl]-4-yl]azo]-5-hydroxynaphthalene-2,7-disulfonic acid disodium salt Properties

EPA Substance Registry System C.I. Direct Black 34 (6473-08-1)

4-Amino-6-[(4-aminophenyl)azo]-3-[[4'-[[5-[(4-aminophenyl)azo]-2,4-diaminophenyl]azo][1,1'-biphenyl]-4-yl]azo]-5-hydroxynaphthalene-2,7-disulfonic acid disodium salt Chemical Properties,Uses,Production

Preparation

4-(4-Aminophenyl)benzenamine double nitriding, first in acid conditions and 4-Amino-5-hydroxynaphthalene-2,7-disulfonic acidcoupling, again with Benzene-1,3-diamine coupling, N-(3-aminophenyl)acetamide (2 Moore) diazo, a in alkaline conditions and 4-Amino-5-hydroxynaphthalene-2,7-disulfonic acid, a neighborhood of light matches, a and Benzene-1,3-diamine coupling, and then hydrolyzed acylamino.

Properties and Applications

green and black.

4-Amino-6-[(4-aminophenyl)azo]-3-[[4'-[[5-[(4-aminophenyl)azo]-2,4-diaminophenyl]azo][1,1'-biphenyl]-4-yl]azo]-5-hydroxynaphthalene-2,7-disulfonic acid disodium salt Preparation Products And Raw materials

4-Amino-6-[(4-aminophenyl)azo]-3-[[4'-[[5-[(4-aminophenyl)azo]-2,4-diaminophenyl]azo][1,1'-biphenyl]-4-yl]azo]-5-hydroxynaphthalene-2,7-disulfonic acid disodium salt C.I.35075 C.I.Direct Black 34 Chrome Leather Black A 2,7-Naphthalenedisulfonic acid, 4-amino-6-((4-aminophenyl)azo)-3-((4'-((2,4-diamino-5-((4-aminophenyl)azo)phenyl)azo)(1,1'-biphenyl)-4-yl)azo)-, disodium salt Direct Black 34 C.I.Direct Black 34:C.I.35075 6473-08-1