3-Amino-4-[[4'-[(2-amino-8-hydroxy-6-sodiosulfo-1-naphthalenyl)azo]-1,1'-biphenyl-4-yl]azo]naphthalene-2,7-disulfonic acid disodium salt

CAS No.
6486-50-6
Chemical Name:
3-Amino-4-[[4'-[(2-amino-8-hydroxy-6-sodiosulfo-1-naphthalenyl)azo]-1,1'-biphenyl-4-yl]azo]naphthalene-2,7-disulfonic acid disodium salt
Synonyms
C.I.22205;Direct Red 43;C.I.Direct Red 43;Benzo Fast Red 9BL;C.I.Direct Red 43:C.I.22205;2,7-Naphthalenedisulfonic acid, 3-amino-4-((4'-((2-amino-8-hydroxy-6-sulfo-1-naphthalenyl)azo)(1,1'-biphenyl)-4-yl)azo)-, trisodium salt;3-Amino-4-[[4'-[(2-amino-8-hydroxy-6-sodiosulfo-1-naphthalenyl)azo]-1,1'-biphenyl-4-yl]azo]naphthalene-2,7-disulfonic acid disodium salt
CBNumber:
CB12396861
Molecular Formula:
C32H21N6Na3O10S3
Molecular Weight:
814.70765
MDL Number:
MOL File:
6486-50-6.mol

3-Amino-4-[[4'-[(2-amino-8-hydroxy-6-sodiosulfo-1-naphthalenyl)azo]-1,1'-biphenyl-4-yl]azo]naphthalene-2,7-disulfonic acid disodium salt Properties

EPA Substance Registry System C.I. Direct Red 43 (6486-50-6)

3-Amino-4-[[4'-[(2-amino-8-hydroxy-6-sodiosulfo-1-naphthalenyl)azo]-1,1'-biphenyl-4-yl]azo]naphthalene-2,7-disulfonic acid disodium salt Chemical Properties,Uses,Production

Preparation

4-(4-Aminophenyl)benzenamine double nitriding, first coupling with?3-Aminonaphthalene-2,7-disulfonic acid, and then in acid conditions and 6-Amino-4-hydroxynaphthalene-2-sulfonic acid acid coupling.

Properties and Applications

red. Soluble in water for red, slightly soluble in alcohol for pink. The strong sulfuric acid in blue, diluted dark for. The dye solution to join strong hydrochloric acid for dark purple and dark, precipitation; With strong sodium hydroxide solution for red orange.

Standard Acid Resistance Alkali Resistance Light Fastness Soaping Water
Fading Stain Fading Stain
ISO 2 4 2 1 1
AATCC 2 5 4-5 2 2-3

3-Amino-4-[[4'-[(2-amino-8-hydroxy-6-sodiosulfo-1-naphthalenyl)azo]-1,1'-biphenyl-4-yl]azo]naphthalene-2,7-disulfonic acid disodium salt Preparation Products And Raw materials

3-Amino-4-[[4'-[(2-amino-8-hydroxy-6-sodiosulfo-1-naphthalenyl)azo]-1,1'-biphenyl-4-yl]azo]naphthalene-2,7-disulfonic acid disodium salt Benzo Fast Red 9BL C.I.22205 C.I.Direct Red 43 2,7-Naphthalenedisulfonic acid, 3-amino-4-((4'-((2-amino-8-hydroxy-6-sulfo-1-naphthalenyl)azo)(1,1'-biphenyl)-4-yl)azo)-, trisodium salt C.I.Direct Red 43:C.I.22205 Direct Red 43 6486-50-6