Preparation
1-Amino-4-bromo-9,10-dioxo-9,10-dihydroanthracene-2-sulfonic acid and 2-Amino-4-(trifluoromethyl)benzoic acid?condensation, cyclization and, at the same time, remove sulfonic group, then benzoylation.
Synthesis
2-Benzoylamino-6-trifluoromethyl-3,4-
phthaloylacridone, Indanthren
Blue HCGK, is prepared
from bromamine acid and 4-trifluoromethylanthranilic
acid followed by ring
closure and desulfonation in sulfuric acid monohydrate.
Properties and Applications
brilliant blue to red light blue.
Standard
|
Ironing Fastness
|
Chlorine bleach
|
Light Fastness
|
Mercerized
|
Oxygen bleach
|
Soaping
|
Fading
|
Stain
|
ISO
|
|
5
|
6-7
|
|
|
4
|
|