Preparation
Chloroacetic acid and 3-Mercapto-7H-benzo[de]anthracen-7-one?condensation, then use Potassium hydroxide melting, and oxidation.
Properties and Applications
deep green light blue. Insoluble in Etanol, Pyridine and Xylene. In concentrated sulfuric acid for red black, dilution after blue precipitation; In the basic insurance powder solution for blue purple; In the acidic insurance powder solution for blue light red.
|
Standard
|
Ironing Fastness
|
Chlorine bleach
|
Light Fastness
|
Mercerized
|
Oxygen bleach
|
Soaping
|
|
Fading
|
Stain
|
|
ISO
|
4
|
4
|
6-7
|
4
|
3-4
|
4-5
|
5
|
|
AATCC
|
5
|
4
|
6-7
|
4
|
4
|
|
|
![2-(5-oxobenzo[4,5]phenaleno[1,9-bc]thien-2(5H)-ylidenebenzo[4,5]phenaleno[1,9-bc]thiophen-5(2H)-one Structure](https://www.chemicalbook.com/CAS/20180808/GIF/6505-58-4.gif)