| Customization: | Available |
|---|---|
| CAS No.: | 1326-82-5 |
| Formula: | C16h10n2o2 |
|
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Strength
|
200% 220% 240%
|
|
Moisture
|
≤6%
|
|
Insolubility
|
≤1%
|
|
Fineness
|
≤5%
|
|
Light
|
5
|
|
Iterms |
Standards |
Result |
|
Appearance |
Bright black powder or granular |
Bright black powder or granular |
|
Itensity |
100% |
100% |
|
Coloured light |
Green red light |
Green red light |
|
≤ Moisture |
6.0 |
5.3 |
|
%≤Sodium sulfide insoluble matter content |
1.0 |
0.5 |
|
%≤Free sulfur content |
1.0 |
0.45 |
|
Conclusion |
Qualified |
|
1.Mainly used for cotton and viscose fiber dyeing, excellent leveling migration property.
2.Also used for natural silk, Nylon and blended fabric dyeing and chemical fertilizer.
3.They are widely used in paints, inks, plastics and leather.
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