Product Introduction
Acid yellow 184 CAS# 61968-07-8 is a coumarin dye with the appearance of dark yellow powder. It dissolves in water easily.
Mainly used in the dyeing of wool, silk and nylon/polyamide. And can also be used in the printing of wool and silk fabrics. Also used in the dyeing of paper and leather.
pH 3.0-4.0 recommended for the dyeing of wool; pH 3.0-4.50 recommended for the dyeing of nylon/polyamide.
Physical and Chemical Parameters
|
Appearance |
Dark Yellow Powder |
|
pH Value ( 1% Water Solution) |
6.00-8.00 |
|
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 |
|
3-4 |
3-4 4-5 3 |
4-5 2-3 2 |
5 4-5 |
4 3-4 4 |
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