Product Introduction
Acid black 1 CAS# 1064-48-8 is a diazo dye with the appearance of deep brown powder. It dissolves in water. Soluble in ethanol and slightly in acetone. Not soluble in other organic solvents. The water solution shows bluish black color.
Mainly used in the dyeing and printing of wool, silk and nylon/polyamide. And can also be used in the dyeing of paper, electroplated aluminum, soaps, wood, leather, medicine and cosmetics.
pH 2.0-4.5 recommended for the dyeing of wool; pH 2.0-4.5 recommended for the dyeing of nylon/polyamide.
Physical and Chemical Parameters
|
Appearance |
Deep Brown Powder |
|
pH Value (1% Water Solution) |
8.50-10.50 |
|
Strength |
98%-101% |
|
Color Difference CMC (2:1) |
≤0.50 |
|
Moisture |
≤8.00% |
|
Insoluble |
≤0.200% |
|
Solubility (90℃) |
≥20g/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 |
|
4% |
1/1 |
CH PA CO |
CH PA CO |
(DRY) (WET) |
CH PA CO |
|
5 |
3 4 2-3 |
3-4 2 1 |
3-4 2 |
3-4 1-2 2 |
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