blue purple. Soluble in water for red light purple, soluble in soluble fiber element, slightly soluble in alcohol, insoluble in other organic solvents. The strong sulfuric acid for blue-ray green, purple precipitation after diluted; In nitric acid solution for the red light in brown. The dye solution to the strong hydrochloric acid has the purple precipitation; Add thick sodium hydroxide solution has the purple sediment: cotton, viscose, silk dyeing and printing, also can be used for paper color, can also be used in leather color.
Standard
|
Acid Resistance
|
Alkali Resistance
|
Light Fastness
|
Soaping
|
Water
|
Fading
|
Stain
|
Fading
|
Stain
|
ISO
|
3
|
4-5
|
2
|
1-2
|
|
1-2
|
|
AATCC
|
5
|
4-5
|
2
|
2
|
|
1-2
|
|