yellow light red. Soluble in water for red, soluble in ethanol for orange red. The strong sulfuric acid is a deep in the red, diluted precipitation for orange red; In nitric acid in scarlet, to orange diluted. In water solution to join hydrochloric acid, the emergence of palm red hairy precipitation, add sodium hydroxide to tan.
Standard
|
Light Fastness
|
Soaping
|
Persperation Fastness
|
Oxygen bleaching
|
Fastness to seawater
|
Fading
|
Stain
|
Fading
|
Stain
|
Fading
|
Stain
|
ISO
|
3
|
3
|
|
2-3
|
|
|
2
|
|