C.I.: Vat Blue 4
CAS: 81-77-6
Molecular Formula: C28H14N2O4
Molecular Weight: 442.42
Properties and Applications: Blue black powder. Insoluble in water, acetic acid, Pyridine, toluene, Xylene, Acetone and ethanol, slightly soluble in hot Chloroform.
It is widely used in yarn leuco dyeing and direct printing on cotton. It can also be processed into organic pigments for producing ink and paint.
Color fastness:
|
Standard |
Ironing Fastness |
Chlorine bleach |
Light Fastness |
Mercerized |
Oxygen bleach |
Soaping |
|
|
Fading |
Stain |
||||||
|
ISO |
5 |
1 |
7-8 |
2 |
4-5 |
4-5 |
5 |
|
AATCC |
5 |
2 |
7-8 |
2-3 |
4-5 |
- |
- |
Post time: May-27-2022
