Preparation
2-(3-Amino-4-methoxyphenylsulfonyl)ethyl hydrogen sulfate diazo, and 4-Amino-5-hydroxynaphthalene-2,7-disulfonic acid?coupling, and then the transformation of 1:1 copper complex.
Properties and Applications
red light purple. Red light purple powder, has good solubility in water. Used for the cotton fabric dyeing and printing, also suitable for discharge printing.
Standard
|
Light Fastness
|
Oxygen bleaching
|
Persperation Fastness
|
Soaping
|
Fading
|
Stain
|
Fading
|
Stain
|
Fading
|
Stain
|
ISO
|
6-7
|
|
|
4
|
4
|
4-5(75℃)
|
5
|