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| Manganous
oxide
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Identification CAS Nr. 1344-43-0
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Process Reduction of Manganese ore (pyrolusite) with
reducing gas or coal
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Chemical characteristics (typical)
| Total
Mn |
52
- 63 % |
| MnO |
65
- 82 % |
| max.
MnO2 |
2
- 5 % |
| Fe |
3
- 10 % |
| C |
1 - 2 % |
| SiO2 |
4
- 6 % |
| K2O |
0.5
- 1 % |
| CaO |
0.2
- 0.4 % |
| MgO |
0.2
- 0.5 % |
| Pb |
60
- 100 ppm |
| As |
50
- 75 ppm |
| Cd,
Hg |
1
- 5 ppm |
- Physical
properties (typical)
| appearance |
brownish-green fine powder |
| tapped
density |
1.80
- 1.90 kg/dm³ |
| solubility |
water-insoluble
/ acid-soluble |
| particle
size |
70
- 80 % <70 µm |
- Toxicity
/ handling / storage
| Toxicity
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MnO is not hazardous |
| Handling |
avoid
dust formation which may cause respiratory, skin, eye
irritations |
| Storage |
store
in dry, well-ventilated area |
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