Product Introduction
Acid yellow 159 CAS# 12235-22-2 is a diazo dye with the appearance of yellow powder. It dissolves in water. It is yellow in sulfuric acid. The water solution shows brilliant golden color.
Mainly used in the dyeing of wool, silk and nylon/polyamide. Especially in the dyeing of car fabrics.
pH 4.0-5.0 recommended for the dyeing of wool; pH 4.5-6.5 recommended for the dyeing of nylon/polyamide.
Physical and Chemical Parameters
|
Appearance |
Yellow Powder |
|
pH Value (1% Water Solution) |
5.00-7.50 |
|
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 |
|
6 |
2-3 4 5 |
3-4 4 4 |
5 4-5 |
4-5 4-5 5 |
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