Preparation
2-(4-Aminophenylsulfonyl)ethyl hydrogen sulfate diazo, and 4-(3-Methyl-5-oxo-4,5-dihydropyrazol-1-yl)benzenesulfonic acid coupling.
Properties and Applications
dark red light yellow. Red powder, soluble in water for golden brown. Used for cellulose fiber dyeing and printing.
|
Standard
|
Light Fastness
|
Oxygen bleaching
|
Persperation Fastness
|
Soaping
|
|
Fading
|
Stain
|
Fading
|
Stain
|
Fading
|
Stain
|
|
ISO
|
6-7
|
|
|
5
|
5
|
4-5
|
5
|
