Preparation
30% in hair smoke sulfuric acid, 1,5-Dinitroanthracene-9,10-dione?and 1,8-Dinitroanthracene-9,10-dione in the presence of boric acid and sulfur heating.
Properties and Applications
dark green light blue to navy blue. Slightly soluble in ethanol, the strong sulfuric acid for purple, diluted for purple.
Standard
|
Light Fastness
|
Soaping
|
Persperation Fastness
|
Oxygen bleaching
|
Fastness to seawater
|
Fading
|
Stain
|
Fading
|
Stain
|
Fading
|
Stain
|
ISO
|
6
|
3
|
3
|
2-3
|
1
|
|
2
|
|