N Acid violet 90 CAS# 6408-29-3 is a monoazo and 1:2 metal complex dye with the appearance of dark red powder. It dissolves in water easily. Slightly soluble in ethanol. The water solution shows reddish purple color.
Mainly used in the dyeing of wool, silk and nylon/polyamide. And can also be used in the dyeing of leather.
Physical and Chemical Parameters
|
Appearance |
Dark Red Powder |
|
pH Value ( 1% Water Solution) |
8.70-10.70 |
|
Strength |
98%-101% |
|
Color Difference CMC (2:1) |
≤0.50 |
|
Moisture |
≤8.00% |
|
Insoluble |
≤0.200% |
|
Solubility (90℃) |
≥70g/l |
|
Degree of Fineness (200um) |
≤8 |
|
Dust-Proof Performance |
≥2 |
Fastness Properties (Polyamide)
|
DYEING DEPTH (O.W.F) |
LIGHT (XENON) |
WASHING (50℃) |
PERSPIRATION (ALKALI) |
RUBBING |
WATER |
|
1% |
1/1 |
CH PA CO |
CH PA CO |
(DRY) (WET) |
CH PA CO |
|
5 |
4-5 4-5 5 |
4-5 4 4-5 |
4-5 4-5 |
4-5 4-5 5 |
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