Structural formula： |
 |
Process flows ： |
 |
| Characters：Grey blue to blue powder. Solubility: 40g/L（60℃），80g/L（97℃. |
| Quality standard GB 1645—82 |
Index name |
Index |
Apperance strength，separated coloured light Color fastness in wool wool fabrics， impurity content insoluble in water，% moisture content，% fineness（passing 300μm residual content），% solubility，g/100ml distilled water
|
blue grey to blue equal powder 100±3 of standard products similar to standard products accord to standard products ≤0.5 ≤4 ≤2 ≥3.5
|
|
| Use：Mainly used fabric dyeing and printing, and used to manufacture malachite blue pigment. |
| Application performance：Colour fastness(grade) in cotton fabrics： |
Dyeing depth
% |
Solarization |
40℃Soaping |
Water leaching |
Perspiration |
Ironing |
Friction |
sulphuric acid resistance |
acetic
acid resistance |
sodium carbonate resistance |
natural light |
xenon lamp |
fading |
staining |
fading |
staining |
fading |
staining |
fading |
staining |
dry |
wet |
0.7 2 4 |
5 5～6 5 |
4～5 4～5 4～5 |
2 2 2 |
3 2～3 2～3 |
2 2 2 |
3～4 3 3 |
2～3 2～3 2～3 |
2～3 2 2 |
4 4 4 |
4 3～4 3 |
4 3～4 3 |
3 2～3 2 |
1 1 1 |
2～3 2～3 2～3 |
4 4 4 |
|
