Acid Violet 17

Application Features

Deep navy powder, easily soluble in water is purple, easily soluble in ethanol is violet blue, the strong sulfuric acid dyes is red light yellow, diluted for green light; In nitric acid are blue-ray fruit green; Its water solution and sodium hydroxide is shallow dark purple.

Appearance is navy blue powder. It is very soluble in water and purple. It is very soluble in ethanol and blue-purple. The dye is red yellow in concentrated sulfuric acid, light green after dilution, and blue-green in concentrated nitric acid. Adding sodium hydroxide is light purple.

Acid Violet 17 is only used for the wool of spell dye, can be used for leather shading.

Use condition:

1. It is mainly used for dyeing wool and leather. It can also be used for printing wool, silk and nylon fabrics. It can be used as a color dye for stannous chloride discharge printing. Because of its low color fastness, it is generally only suitable for dyeing. In the color matching, a small amount of acid violet 4BNS can be added to increase the color vividness. It is not suitable for the dyeing of textiles with high quality requirements.

2. Wool dyeing should be carried out in a strong acid bath, or in a weakly acidic bath. The pH of the dyeing solution is 3~5, and the highest dyeing temperature is 95~100 °C; silk dyeing should be carried out in an acetic acid bath.

3. Blending of blended fabrics: When wool is dyed in the same bath as various fibers, the nylon and silk are colored, the acrylic fibers are stained, and the cellulose fibers are slightly stained.