red light black. Soluble in water for dark purple, slightly soluble in ethanol and Acetone. In concentrated sulfuric acid for SAP green, dilution after purple; In concentrated nitric acid for wine, and then into orange. Dye aqueous solution to join concentrated hydrochloric acid for sauce red; Join concentrated sodium hydroxide solution for dark blue to blue black.
Standard
|
Ironing Fastness
|
Light Fastness
|
Fulling
|
Persperation Fastness
|
Soaping
|
Water
|
Alkali
|
Acid
|
ISO
|
4
|
6
|
5
|
5
|
5
|
5
|
5
|
AATCC
|
Dry 3,wet 4
|
6-7
|
4
|
|
5
|
4-5
|
5
|