red. Soluble in water for red, soluble in acetone, slightly soluble in ethanol (orange) and toluene. The strong sulfuric acid to red light purple, diluted red for quality. In water solution to join strong hydrochloric acid have dark red precipitate; Add nitric acid have blue-ray red precipitation, first into a brown, then yellow; Add thick sodium hydroxide solution color change.
|
Standard
|
Light Fastness
|
Soaping
|
Persperation Fastness
|
Oxygen bleaching
|
Fastness to seawater
|
|
Fading
|
Stain
|
Fading
|
Stain
|
Fading
|
Stain
|
|
ISO
|
5
|
2-3
|
|
2-3
|
|
|
2-3
|
|
|
AATCC
|
4
|
1
|
|
3
|
1
|
|
1
|
|
