Preparation
3,3′-Dimethylbenzidine?double nitriding, respectively with?2-Hydroxybenzoic acid and 4-(3-Methyl-5-oxo-4,5-dihydropyrazol-1-yl)benzenesulfonic acid coupling.
Properties and Applications
red light orange. Used for cellulose fiber dyeing, good levelness, white the gender is good.
Standard
|
Acid Resistance
|
Alkali Resistance
|
Light Fastness
|
Soaping
|
Water
|
Fading
|
Stain
|
Fading
|
Stain
|
ISO
|
4
|
3-4
|
3
|
2-3
|
|
3
|
|