Product Introduction
Acid red 1 CAS# 3734-67-6 is a monoazo dye with the appearance of deep red powder. It dissolves in water easily. Slightly soluble in ethanol and cellosolve. Not soluble in other solvents. The water solution shows reddish color.
Mainly used in the printing of wool, silk and nylon/polyamide. And can also be used in the dyeing of leather, paper, soaps, wood and cosmetics. Can be used in color lakes and printing inks.
pH 2-4 recommended for the dyeing of wool; pH 2-4 recommended for the dyeing of nylon/polyamide.
Physical and Chemical Parameters
|
Appearance |
Deep Red Powder |
|
pH Value (1% Water Solution) |
7.90-9.90 |
|
Strength |
98%-101% |
|
Color Difference CMC (2:1) |
≤0.50 |
|
Moisture |
≤8.00% |
|
Insoluble |
≤0.200% |
|
Solubility (90℃) |
≥80g/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 |
|
4-5 |
3-4 4 4 |
4 2 2 |
4-5 4 |
4-5 2 3 |
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