Preparation
2-Amino-5-methylbenzenesulfonic acid diazo, and 4-Amino-5-hydroxynaphthalene-2,7-disulfonic acid?coupling, and then and 2,4,6-Trichloro-1,3,5-triazine condensation .
Properties and Applications
blu-ray red. Purplish red powder. The strong sulfuric acid for purple, diluted into red rose; In nitric acid for red, dilute to orange. Water solution is red, with 1 Moore no change sodium hydroxide solution, continue to join insurance powder warm to colorless, add a boric acid sodium is still colorless. Mainly used for cotton, nylon, viscose fiber and fabric dyed and roll across.
|
Standard(cellulose)
|
Light Fastness
|
Oxygen bleaching
|
Persperation Fastness
|
Soaping
|
|
Fading
|
Stain
|
Fading
|
Stain
|
Fading
|
Stain
|
|
ISO
|
4-5
|
|
|
|
|
4-5(50℃)
|
5
|
