Acid Blue 9

Colour Fastness Test

Appearance is blue-violet powder. Soluble in water, solubility in water is 50g / L (90 ° C), soluble in ethanol. Acid Blue 9 is orange in concentrated sulfuric acid, light yellow after dilution. The aqueous solution is green blue, plus It is almost colorless after sodium hydroxide and has a deep purple precipitate.

Acid Blue 9 Usage:

1. it is used for dyeing and printing of wool, silk, nylon and wool blend fabrics. It can also be used as food dyes and organic pigments. It is also used in paper coloring and sanitation and epidemic prevention. It can also be used for leather coloring.

2. Good leveling property, good whitening property. Sensitive to copper and iron ions, should pay attention when dyeing, otherwise it will affect the color light.

used for wool, silk,nylon with wool blended fabric dyeing and printing. Can also be used as a food dyes and organic pigments, also used for paper shading and anti-epidemic field, can also be used in leather color.