2,7-Naphthalenedisulfonic acid, 4,4'-[(phenylmethylene)bis[(2,5-dimethyl-4,1-phenylene)azo]]bis[3-hydroxy-, tetrasodium salt

CAS No.
6459-71-8
Chemical Name:
2,7-Naphthalenedisulfonic acid, 4,4'-[(phenylmethylene)bis[(2,5-dimethyl-4,1-phenylene)azo]]bis[3-hydroxy-, tetrasodium salt
Synonyms
Acid Red 65;C.I.Acid Red 65:C.I.24830;2,7-Naphthalenedisulfonic acid, 4,4'-[(phenylmethylene)bis[(2,5-dimethyl-4,1-phenylene)azo]]bis[3-hydroxy-, tetrasodium salt
CBNumber:
CB64758697
Molecular Formula:
C43H37N4NaO14S4
Molecular Weight:
985.01
MDL Number:
MOL File:
6459-71-8.mol

2,7-Naphthalenedisulfonic acid, 4,4'-[(phenylmethylene)bis[(2,5-dimethyl-4,1-phenylene)azo]]bis[3-hydroxy-, tetrasodium salt Chemical Properties,Uses,Production

Preparation

4-((4-Amino-2,5-dimethylphenyl)(phenyl)methyl)-2,5-dimethylbenzenamine?double nitride, and 3-Hydroxynaphthalene-2,7-disulfonic acid (2 Moore) coupled.

Properties and Applications

yellow light red. Soluble in water for wine, not soluble in alcohol. The strong sulfuric acid for blu-ray red, diluted into red. In water solution to join hydrochloric acid discoloration; Add sodium hydroxide solution into deep red.

Standard Light Fastness Soaping Persperation Fastness Oxygen bleaching Fastness to seawater
Fading Stain Fading Stain Fading Stain
ISO 3 3 3-4 3 1 4-5

2,7-Naphthalenedisulfonic acid, 4,4'-[(phenylmethylene)bis[(2,5-dimethyl-4,1-phenylene)azo]]bis[3-hydroxy-, tetrasodium salt Preparation Products And Raw materials

2,7-Naphthalenedisulfonic acid, 4,4'-[(phenylmethylene)bis[(2,5-dimethyl-4,1-phenylene)azo]]bis[3-hydroxy-, tetrasodium salt Acid Red 65 C.I.Acid Red 65:C.I.24830 6459-71-8