purplish blue to red light navy blue. Soluble in water. In concentrated sulfuric acid to dark red light blue solution, dilution of dark after precipitation; In the Sodium hydroxide solution for blue; In the Sodium sulfide solution for blue or olive
|
Standard
|
Acid Resistance
|
Alkali Resistance
|
Light Fastness
|
Fulling
|
Persperation Fastness
|
Soaping
|
|
Moderate
|
Severe
|
|
ISO
|
4
|
4
|
5
|
4
|
5
|
4-5
|
4
|
|
AATCC
|
4-5
|
3-4
|
4
|
4
|
|
4
|
4
|
