Product Name: Direct Blue 75
C.I. No.: 34200
CAS No.: 6428-60-0
Molecular Formula: C42H25N7Na4O13S4
Molecular Weight: 1055.91
Shade: Blue
Relative name:Direct Blue 2GL;Direct Fast Blue 2GL;ACDI Blue GL 200%;Burco Direct Blue 2GL;Burco Direct Blue 2GLB 200%;Carta Blue 2GL;
Direct Blue 75 Physical Properties and light fastness, solubility.
Direct blue 75 |
|
Light Fastness |
5 |
Persperation Fastness(fading) |
-- |
Persperation Fastness(stain) |
-- |
Soaping(fading) |
2-3 |
Soaping(stain) |
-- |
Soluble in water for blue, insoluble in other organic solvents. In the dark for the strong sulfuric acid, diluted to red light purple red for brown. The dye solution to join strong hydrochloric acid for blue; Add thick sodium hydroxide solution for red light purple
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.