Product Introduction
Acid brown 14 CAS# 5850-16-8 is a diazo dye with the appearance of reddish brown powder. It dissolves in water. Slightly soluble in ethanol. The water solution shows reddish brown color.
Mainly used in the dyeing of wool, silk and nylon/polyamide. And can also be used in the dyeing of leather, paper and wood.
pH 2.0-4.0 recommended for the dyeing of wool; pH 3.0-4.5 recommended for the dyeing of nylon/polyamide.
Physical and Chemical Parameters
|
Appearance |
Reddish Brown Powder |
|
pH Value (1% Water Solution) |
6.50-8.50 |
|
Strength |
98%-101% |
|
Color Difference CMC (2:1) |
≤0.50 |
|
Moisture |
≤8.00% |
|
Insoluble |
≤0.200% |
|
Solubility (90℃) |
≥30g/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 |
3-4 4-5 4 |
4-5 3 1-2 |
5 4-5 |
4-5 3 3-4 |
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