Product Introduction
Acid blue 350 CAS# 138067-74-0 is an anthraquinone dye with the appearance of deep blue powder. It dissolves in water. The water solution shows bluish color.
Mainly used in the dyeing and printing of wool, silk and nylon/polyamide. Have good fastness.
pH 4.5-5.5 recommended for the dyeing of wool; pH 5.0-6.0 recommended for the dyeing of nylon/polyamide.
Physical and Chemical Parameters
|
Appearance |
Deep Blue Powder |
|
pH Value (1% Water Solution) |
8.90-10.90 |
|
Strength |
98%-101% |
|
Color Difference CMC (2:1) |
≤0.50 |
|
Moisture |
≤8.00% |
|
Insoluble |
≤0.200% |
|
Solubility (90℃) |
≥40g/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 |
|
5-6 |
3-4 4 5 |
4-5 3-4 4-5 |
5 4-5 |
4-5 4-5 5 |
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