Product Introduction
Acid red 97 CAS# 10169-02-5 is a diazo dye with the appearance of deep red powder. It dissolves in water. Soluble in ethanol, acetone and cellosolve. The water solution shows reddish color.
Mainly used in the dyeing of wool, silk and nylon/polyamide. And can also be used in the dyeing of leather and paper.
pH 4.5-5.5 recommended for the dyeing of wool; pH 4.5-5.5 recommended for the dyeing of nylon/polyamide.
Physical and Chemical Parameters
|
Appearance |
Deep Red Powder |
|
pH Value (1% Water Solution) |
5.70-7.70 |
|
Strength |
98%-101% |
|
Color Difference CMC (2:1) |
≤0.50 |
|
Moisture |
≤8.00% |
|
Insoluble |
≤0.200% |
|
Solubility (90℃) |
≥40g/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 |
|
3-4 |
4 4-5 4 |
4-5 3 3 |
4-5 4 |
4 3-4 4 |
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