Preparation
4-Chloroanthracen-10(9H)-one with sulfuric acid Oxalaldehyde?processing, its product and N-(5-amino-9,10-dioxo-9,10-dihydroanthracen-1-yl)benzamide (2 Moore) condensation, cyclization and then.
Properties and Applications
dark yellow brown to brown. Dark brown powder. After the fiber dyeing in concentrated sulfuric acid is blue. Alkaline reduction leuco for red brown; Acid reduction leuco for dark brown. Can be used for cotton and silk dyeing.
Standard
|
Ironing Fastness
|
Chlorine bleach
|
Light Fastness
|
Mercerized
|
Oxygen bleach
|
Soaping
|
Fading
|
Stain
|
ISO
|
4-5
|
4-5
|
7
|
4-5
|
4-5
|
5
|
5
|