Product Introduction
Acid yellow 61 CAS# 12217-38-8 is a monoazo dye with the appearance of dark yellow powder. It dissolves easily in water. The water solution shows greenish yellow color.
Mainly used in the dyeing of wool, silk and nylon/polyamide and its blends. And can also be used in the dyeing of leather. And suitable for the direct printing of wool and silk.
pH 3.5-4.5 recommended for the dyeing of wool; pH 4.0-5.0 recommended for the dyeing of nylon/polyamide.
Physical and Chemical Parameters
|
Appearance |
Dark Yellow Powder |
|
pH Value (1% Water Solution) |
4.80-7.80 |
|
Strength |
98%-101% |
|
Color Difference CMC (2:1) |
≤0.50 |
|
Moisture |
≤8.00% |
|
Insoluble |
≤0.200% |
|
Solubility (90℃) |
≥60g/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 4-5 4 |
4 2-3 4 |
5 4 |
4 3 4-5 |
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