red light purple. Soluble in water chestnut, soluble in soluble fiber element, slightly soluble in alcohol, insoluble in other organic solvents. The strong sulfuric acid are chestnut, diluted into a deep red, with brown precipitation; In nitric acid solution for pink, then turned into yellow. In 10% of sodium hydroxide solution for wine red solution.
Standard
|
Light Fastness
|
Soaping
|
Persperation Fastness
|
Oxygen bleaching
|
Fastness to seawater
|
Fading
|
Stain
|
Fading
|
Stain
|
Fading
|
Stain
|
ISO
|
4
|
3
|
5
|
3
|
4-5
|
|
|
|
AATCC
|
4-5
|
1-2
|
1-2
|
1
|
1
|
|
3-4
|
|