deep green. Soluble in hot water for purple, soluble in ethanol for red light purple. In concentrated sulfuric acid for brown light red, purple brown after dilution precipitation; In concentrated nitric acid for red solution, and quickly decolorizing. Dye aqueous solution to join concentrated hydrochloric acid for dark purple precipitation; Join concentrated sodium hydroxide solution for brown precipitation.
|
Standard
|
Ironing Fastness
|
Light Fastness
|
Fulling
|
Persperation Fastness
|
Soaping
|
Water
|
|
Alkali
|
Acid
|
|
ISO
|
4
|
3-4
|
4-5
|
3
|
3-4
|
4-5
|
5
|
