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Anthraquinone1 . Product Name:Anthraquinone2 . Quality Index:
|
Item |
Index |
|
Super-Grade Product |
First-Grade Product |
Qualified Product |
|
Appearance |
Yellow or light gray to sage green crystal(Powder) |
|
Initial Melting Point °C≥ |
284.2 |
283.0 |
280.0 |
|
Purity %≥ |
99.0 |
98.5 |
97.0 |
|
Ash %≤ |
0.2 |
0.5 |
0.5 |
|
Loss on Drying %≤ |
0.2 |
0.5 |
0.5 |
3. Use: Anthraquinone has been widely used, mainly as the high-grade dyestuffs that is washing resistant and sunlight resistant with complete color spectrum and bright color, also as the raw material for the manufacture of hydrogen peroxide. Over the recent years, it has been widely used as a digestion auxiliary in the paper-making industry for protecting fiber and promoting the use ratio of the paper paste. , |
