blue light red. Soluble in water for red light brown, soluble in ethanol and acetone. In concentrated sulfuric acid for dark orange, dilution after yellow brown, and accompanied by precipitation; In concentrated nitric acid for brown light olive; In a dilute sodium hydroxide solution for wine. Dye aqueous solution to join concentrated hydrochloric acid have orange precipitation.
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Standard
|
Ironing Fastness
|
Light Fastness
|
Fulling
|
Persperation Fastness
|
Soaping
|
Water
|
|
Alkali
|
Acid
|
|
ISO
|
|
5
|
5
|
4
|
5
|
5
|
5
|
