4-Hydroxy-3-[[4'-[(1-hydroxy-4-sulfo-2-naphtyl)azo]-1,1'-biphenyl-4-yl]azo]-2,7-naphthalenedisulfonic acid trisodium salt

CAS No.
6507-83-1
Chemical Name:
4-Hydroxy-3-[[4'-[(1-hydroxy-4-sulfo-2-naphtyl)azo]-1,1'-biphenyl-4-yl]azo]-2,7-naphthalenedisulfonic acid trisodium salt
Synonyms
C.I.22445;Direct Violet 3;C.I.Direct Violet 3;C.I.Direct Violet 3:C.I.22445;4-Hydroxy-3-[[4'-[(1-hydroxy-4-sulfo-2-naphtyl)azo]-1,1'-biphenyl-4-yl]azo]-2,7-naphthalenedisulfonic acid trisodium salt
CBNumber:
CB52227149
Molecular Formula:
C32H22N4O11S3.3Na
Molecular Weight:
803.71
MDL Number:
MOL File:
6507-83-1.mol

4-Hydroxy-3-[[4'-[(1-hydroxy-4-sulfo-2-naphtyl)azo]-1,1'-biphenyl-4-yl]azo]-2,7-naphthalenedisulfonic acid trisodium salt Properties

EPA Substance Registry System C.I. Direct Violet 3 (6507-83-1)

4-Hydroxy-3-[[4'-[(1-hydroxy-4-sulfo-2-naphtyl)azo]-1,1'-biphenyl-4-yl]azo]-2,7-naphthalenedisulfonic acid trisodium salt Chemical Properties,Uses,Production

Preparation

4-(4-Aminophenyl)benzenamine double nitriding, respectively with the 4-Hydroxynaphthalene-1-sulfonic acid and 4-Hydroxynaphthalene-2,7-disulfonic acid coupling.

Properties and Applications

purple. Soluble in water for deep purple, slightly soluble in alcohol for red light purple, insoluble in acetone. The strong sulfuric acid for blue, purple for red after diluted. The dye solution to join strong hydrochloric acid for purplish red color; Add thick sodium hydroxide solution in red.

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

4-Hydroxy-3-[[4'-[(1-hydroxy-4-sulfo-2-naphtyl)azo]-1,1'-biphenyl-4-yl]azo]-2,7-naphthalenedisulfonic acid trisodium salt Preparation Products And Raw materials

4-Hydroxy-3-[[4'-[(1-hydroxy-4-sulfo-2-naphtyl)azo]-1,1'-biphenyl-4-yl]azo]-2,7-naphthalenedisulfonic acid trisodium salt C.I.22445 C.I.Direct Violet 3 Direct Violet 3 C.I.Direct Violet 3:C.I.22445 6507-83-1