dark red light brown. Soluble in water for blue light red, slightly soluble in ethanol, Acetone and Cellosolve. In concentrated sulfuric acid for pink to red, dilution have orange precipitation; In concentrated nitric acid for pink, and then into orange. Dye aqueous solution to join concentrated hydrochloric acid for pink solution; Add 10% oxygen sodium oxide solution to red.
Standard
|
Ironing Fastness
|
Light Fastness
|
Fulling
|
Persperation Fastness
|
Soaping
|
Water
|
Alkali
|
Acid
|
AATCC
|
5
|
7
|
4-5
|
|
5
|
5
|
|