2-Naphthalenesulfonic acid, 6-[[4-amino-6(or 7)-sulfo-1-naphthalenyl]azo]-3-[[4-[(2,4-diaminophenyl)azo]phenyl]azo]-4-hydroxy-, disodium salt

CAS No.
12239-88-2
Chemical Name:
2-Naphthalenesulfonic acid, 6-[[4-amino-6(or 7)-sulfo-1-naphthalenyl]azo]-3-[[4-[(2,4-diaminophenyl)azo]phenyl]azo]-4-hydroxy-, disodium salt
Synonyms
Direct Black 141;C.I.Direct Black 141:C.I.31546;2-Naphthalenesulfonic acid, 6-[[4-amino-6(or 7)-sulfo-1-naphthalenyl]azo]-3-[[4-[(2,4-diaminophenyl)azo]phenyl]azo]-4-hydroxy-, disodium salt
CBNumber:
CB14758359
Molecular Formula:
Molecular Weight:
0
MDL Number:
MOL File:
Mol file

2-Naphthalenesulfonic acid, 6-[[4-amino-6(or 7)-sulfo-1-naphthalenyl]azo]-3-[[4-[(2,4-diaminophenyl)azo]phenyl]azo]-4-hydroxy-, disodium salt Chemical Properties,Uses,Production

Preparation

N-(4-aminophenyl)acetamide diazo, first and 6-Amino-4-hydroxynaphthalene-2-sulfonic acid? coupling, product to diazo, and 5-Aminonaphthalene-2-sulfonic acid and 8-Aminonaphthalene-2-sulfonic acid hydrolysis product, acylation coupled amino, again diazotization and Benzene-1,3-diamine coupling.

Properties and Applications

black.

2-Naphthalenesulfonic acid, 6-[[4-amino-6(or 7)-sulfo-1-naphthalenyl]azo]-3-[[4-[(2,4-diaminophenyl)azo]phenyl]azo]-4-hydroxy-, disodium salt Preparation Products And Raw materials

2-Naphthalenesulfonic acid, 6-[[4-amino-6(or 7)-sulfo-1-naphthalenyl]azo]-3-[[4-[(2,4-diaminophenyl)azo]phenyl]azo]-4-hydroxy-, disodium salt Direct Black 141 C.I.Direct Black 141:C.I.31546 12239-88-2