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7,7'-Iminobis[4-hydroxy-3-[(2-hydroxyphenyl)azo]-2-naphthalenesulfonic acid]disodium salt
Product Name
7,7'-Iminobis[4-hydroxy-3-[(2-hydroxyphenyl)azo]-2-naphthalenesulfonic acid]disodium salt
CAS
82944-43-2
MF
MW
0
EINECS
MOL File
82944-43-2.mol
Usage And Synthesis
Preparation
2-Aminophenol (2 Moore) diazo, and Bis(4-hydroxy-2-sulfonaphthalene-7-yl)amine coupling.
Properties and Applications
blue purple.
Standard
Acid Resistance
Alkali Resistance
Light Fastness
Soaping
Water
Fading
Stain
Fading
Stain
AATCC
5-6
4-5
3-4
5
5
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![7,7'-Iminobis[4-hydroxy-3-[(2-hydroxyphenyl)azo]-2-naphthalenesulfonic acid]disodium salt Structure](/CAS/GIF/82944-43-2.gif)