green yellow. Soluble in hot water for yellow brown, soluble in Etanol for yellow. In concentrated sulfuric acid for orange brown, after dilution to orange, then appear yellow precipitation. Dye aqueous solution to join concentrated hydrochloric acid have yellow precipitation; Join concentrated Sodium hydroxide solution for orange.
Standard
|
Ironing Fastness
|
Light Fastness
|
Fulling
|
Persperation Fastness
|
Soaping
|
Water
|
Alkali
|
Acid
|
ISO
|
5
|
5-6
|
5
|
2
|
3-4
|
4-5
|
4-5
|
AATCC
|
4-5
|
5-6
|
3-4
|
|
3-4
|
5
|
|