Product Name: Direct Blue 70
C.I. No.: 34205
CAS No.: 6428-58-6
Molecular Formula: C42H25N7Na4O13S4
Molecular Weight: 1055.91
Shade: Blue
Relative name:Blue D-RGL;Direct Fast Blue FG;Dycosdirect Fast Blue RGL;Blend Blue D-RGL;Direct Fast Blue FG;Dycosdirect Fast Blue RGL;
Direct Blue 70 Physical Properties and light fastness, solubility.
Direct blue 70 |
|
Light Fastness |
4-5 |
Persperation Fastness(fading) |
-- |
Persperation Fastness(stain) |
-- |
Soaping(fading) |
1-2 |
Soaping(stain) |
-- |
Soluble in water as dark blue, solubility of 50 g/L (60 ℃), 60 g/L (97 ℃), soluble in alcohol. The strong sulfuric acid for blu-ray black, diluted for dark purple. The dye solution to join strong hydrochloric acid generation navy to purple precipitation; Add sodium hydroxide solution for red light purple, have precipitation. Cellulose fiber of dyeing, temperature in 80 ℃ maximum when affinity. Good levelness, discharge sex very good: dyeing encounter copper, iron ion basic discoloration.
Mainly used for silk, cotton viscose things and carpet of dyeing and printing. But with disperse dyestuffs dye polyester/stick blended fabric. Suitable for a bath dyeing of step. Can also be used for paper dyeing and manufacturing color pigment sediment
Note: The data contained here are based on our current knowledge and experience. It is the responsibility of user to test our products before the final application.
