5,5'-[1,4-Phenylenebis(azo)]bis[2-hydroxy-3-sodiosulfobenzoic acid sodium] salt CAS#: 6492-53-1

5,5'-[1,4-Phenylenebis(azo)]bis[2-hydroxy-3-sodiosulfobenzoic acid sodium] salt

Basic information Safety Supplier Related

5,5'-[1,4-Phenylenebis(azo)]bis[2-hydroxy-3-sodiosulfobenzoic acid sodium] salt Basic information

Product Name:

5,5'-[1,4-Phenylenebis(azo)]bis[2-hydroxy-3-sodiosulfobenzoic acid sodium] salt

Synonyms:

5,5'-[1,4-Phenylenebis(azo)]bis[2-hydroxy-3-sodiosulfobenzoic acid sodium] salt
C.I.21570
C.I.Mordant Orange 22
Panduran Xanthine 2R
tetrasodium,(3E)-3-[[4-[(2Z)-2-(3-carboxylato-4-oxo-5-sulfonatocyclohexa-2,5-dien-1-ylidene)hydrazinyl]phenyl]hydrazinylidene]-6-oxo-5-sulfonatocyclohexa-1,4-diene-1-carboxylate
C.I.Mordant Orange 22:C.I.21570
Mordant Orange 22

CAS:

6492-53-1

MF:

C20H15N4NaO12S2

MW:

590.47

Mol File:

6492-53-1.mol

Less

5,5'-[1,4-Phenylenebis(azo)]bis[2-hydroxy-3-sodiosulfobenzoic acid sodium] salt Chemical Properties

EPA Substance Registry System: Benzoic acid, 3,3'-[1,4-phenylenebis(azo)]bis[6-hydroxy-5-sulfo-, tetrasodium salt (6492-53-1)

Less

5,5'-[1,4-Phenylenebis(azo)]bis[2-hydroxy-3-sodiosulfobenzoic acid sodium] salt Usage And Synthesis

Preparation

4-Nitrobenzenamine diazotization, and 2-Hydroxybenzoic acid?coupling ,?Reducing the nitro group, and then diazotization, coupling with 2-Hydroxybenzoic acid, and then sulfonated.

Properties and Applications

orange. Soluble in water for golden yellow, not soluble in ethanol. In concentrated sulfuric acid to red light purple, after dilution for green yellow until golden brown. Dye aqueous solution to join concentrated hydrochloric acid for green yellow until golden brown, Join concentrated sodium hydroxide solution for ruby red.

Standard	Ironing Fastness	Light Fastness	Fulling		Persperation Fastness	Soaping	Water
			Alkali	Acid
ISO		5			5	4	5

5,5'-[1,4-Phenylenebis(azo)]bis[2-hydroxy-3-sodiosulfobenzoic acid sodium] saltSupplier

Less