Synthesis
4,10-Dichloroanthanthrone,
Indanthren Brilliant Orange GK,
is prepared from 1,1'-binaphthyl-8,8'-
dicarboxylic acid in sulfuric acid at 50 ?C, followed
by chlorination in the presence of FeSO4
, or from anthanthrone by sparging with
chlorine in the presence of iodine in sulfuric acid
or organic solvents .
Properties and Applications
bright orange. Orange powder. Insoluble in water, slightly soluble in 1, 2, 3, 4-Tetrahydronaphthalene and Xylene. The strong sulfuric acid for green. Alkaline reduction for the red light purple leuco ; Acid reduction to orange color body hidden. Used for the cotton fiber dyeing as bright orange, the affinity of cotton is good, to dead cotton covering power is also very good. This product can be used for direct printing of cotton fabric dyeing and printing, the discharge printing.
|
Standard
|
Ironing Fastness
|
Chlorine bleach
|
Light Fastness
|
Mercerized
|
Oxygen bleach
|
Soaping
|
|
Fading
|
Stain
|
|
ISO
|
5
|
5
|
7
|
4-5
|
4
|
4-5
|
5
|
|
AATCC
|
4
|
5
|
7
|
5
|
5
|
|
|
