Acid Yellow 17

Note: The number of metal ions affects the degree of discoloration, the symbol indicates the color after discoloration, Y indicates yellow light, R indicates red light, B indicates blue light, G indicates green light, and D indicates dark color.

Colour Fastness Test

Appearance is yellow powder. It is soluble in water and greenish yellow, slightly soluble in ethanol and acetone, insoluble in other organic solvents. It is greenish yellow in concentrated sulfuric acid, no precipitation after dilution; it is red yellow when concentrated nitric acid. The aqueous solution plus hydrochloric acid does not change color; the sodium hydroxide is hardly discolored. The aqueous solution is decolorized by engraving white blocks, but the oxidizing solution in the air shows reddish purple. When dyeing, copper and iron ions are slightly reddish and dark. Good sex.

Acid Yellow 17 Use condition

1. Mainly used for dyeing and printing of wool, silk and nylon fabrics with good leveling.

2. Wool dyeing should be carried out in a strong acid bath. The pH of the dyeing solution is 2~4; silk and nylon dyeing should be carried out in a formic acid bath.

3. Blending of blended fabrics: When the wool is dyed in the same bath as the various fibers, the nylon is dyed, the silk is heavily stained, and the viscose and acetate fibers are not stained.

4. Acid Yellow 17 can be dyed with acid lake blue A and bright green grass and green, and dyed with beige, gray, brown and other dyes.

5. Can also be used for coloring leather, paper and anodized aluminum.

Mainly used for wool in strong acid dye in the bath dyeing, silk dyeing in acetic acid bath, polyamide fiber dyeing in formic acid dye bath. This product can be directly on the wool fabric printing, also can dye leather, and can be made into color which. But on paper surface shading, can also be used in paint, medicine and cosmetics of shading.