tetrasodium 5,5'-[vinylenebis[(3-sulphonato-4,1-phenylene)azo]]bis(salicylate)

CAS No.
6459-82-1
Chemical Name:
tetrasodium 5,5'-[vinylenebis[(3-sulphonato-4,1-phenylene)azo]]bis(salicylate)
Synonyms
C.I.24910;Direct Yellow 72;C.I.Direct Yellow 72;C.I.Direct Yellow 72:C.I.24910;tetrasodium 5,5'-[vinylenebis[(3-sulphonato-4,1-phenylene)azo]]bis(salicylate);5,5'-[Ethene-1,2-diylbis[(3-sodiosulfo-4,1-phenylene)azo]]bis[2-hydroxybenzoic acid sodium] salt
CBNumber:
CB4928900
Molecular Formula:
C28H16N4Na4O12S2
Molecular Weight:
756.53532
MDL Number:
MOL File:
6459-82-1.mol

tetrasodium 5,5'-[vinylenebis[(3-sulphonato-4,1-phenylene)azo]]bis(salicylate) Chemical Properties,Uses,Production

Preparation

1,2-Bis(4-amino-2-sulfophenyl)ethene double nitriding, and 2-Hydroxybenzoic acid (2 Moore) coupled.

Properties and Applications

dark red light yellow to orange. Soluble in water for yellow orange, slightly soluble in alcohol. The strong sulfuric acid to red light purple, dilute for dark brown or black after; In nitric acid solution for light yellow, with gray precipitation. The dye solution to join strong hydrochloric acid for dark brown, have precipitation; Add thick sodium hydroxide solution in red.

Standard Acid Resistance Alkali Resistance Light Fastness Soaping Water
Fading Stain Fading Stain
ISO 5-6

tetrasodium 5,5'-[vinylenebis[(3-sulphonato-4,1-phenylene)azo]]bis(salicylate) Preparation Products And Raw materials

Raw materials

Preparation Products

tetrasodium 5,5'-[vinylenebis[(3-sulphonato-4,1-phenylene)azo]]bis(salicylate) Suppliers

Global( 2)Suppliers
Supplier Tel Email Country ProdList Advantage
Phoenix Colours -- info@phoenixcolours.com India 182 58
Rikin Industries -- info@rikinindustries.com India 130 58
Supplier Advantage
Phoenix Colours 58
Rikin Industries 58
tetrasodium 5,5'-[vinylenebis[(3-sulphonato-4,1-phenylene)azo]]bis(salicylate) 5,5'-[Ethene-1,2-diylbis[(3-sodiosulfo-4,1-phenylene)azo]]bis[2-hydroxybenzoic acid sodium] salt C.I.24910 C.I.Direct Yellow 72 C.I.Direct Yellow 72:C.I.24910 Direct Yellow 72 6459-82-1