yellow. Soluble in water and ethanol for green light yellow, slightly soluble in acetone. The strong sulfuric acid for cherry red, diluted into a green light yellow. In aqueous solution is to add strong hydrochloric acid have olive to yellow brown precipitation; Add thick sodium hydroxide solution yellowish after precipitation. Used for wool, silk, polyamide fiber dyeing and printing directly. Also used in paper and leather shading.
|
Standard
|
Light Fastness
|
Soaping
|
Persperation Fastness
|
Oxygen bleaching
|
Fastness to seawater
|
|
Fading
|
Stain
|
Fading
|
Stain
|
Fading
|
Stain
|
|
ISO
|
5
|
4-5
|
4
|
4
|
3-4
|
4
|
4-5
|
|
|
AATCC
|
5
|
3-4
|
3-4
|
4
|
3-4
|
3-4
|
4-5
|
|
