Preparation
4-Aminophenol diazo, and 4-(3-Methyl-5-oxo-4,5-dihydropyrazol-1-yl)benzenesulfonic acid coupling, and then use 4-Methylbenzene-1-sulfonyl chloride make phenol hydroxyl esterification.
Properties and Applications
yellow. Yellow powder, soluble in water. Mainly used for wool, silk, polyamide fiber and its blended fabric dyeing and printing, also can be used for leather color.
Standard
|
Light Fastness
|
Soaping
|
Persperation Fastness
|
Oxygen bleaching
|
Fastness to seawater
|
Fading
|
Stain
|
Fading
|
Stain
|
Fading
|
Stain
|
ISO
|
5
|
3-4
|
|
4-5
|
2-3
|
|
4-5
|
|