Manganese(ll,lll) Oxide
| Synonyms | manganese(II) dimanganese(III) oxide, Manganese tetroxide, Manganese oxide, Manganomanganic oxide, Trimanganese tetraoxide, Trimanganese tetroxide |
| Cas No. | 1317-35-7 |
| Chemical formula | Mn3O4 , MnO·Mn2O3 |
| Molar mass | 228.812 g/mol |
| Appearance | brownish-black powder |
| Density | 4.86 g/cm3 |
| Melting point | 1,567 °C (2,853 °F; 1,840 K) |
| Boiling point | 2,847 °C (5,157 °F; 3,120 K) |
| Solubility in water | insoluble |
| Solubility | soluble in HCl |
| Magnetic susceptibility (χ) | +12,400·10−6 cm3/mol |
Enterprise Specification for Manganese(II,III) Oxide
| Symbol | Chemical Component | Granularity (μm) | Tap Density (g/cm3) | Specific Surface Area (m2/g) | Magnetic Substance (ppm) | ||||||||||||
| Mn3O4 ≥(%) | Mn ≥(%) | Foreign Mat. ≤ % | |||||||||||||||
| Fe | Zn | Mg | Ca | Pb | K | Na | Cu | Cl | S | H2O | |||||||
| UMMO70 | 97.2 | 70 | 0.005 | 0.001 | 0.05 | 0.05 | 0.01 | 0.01 | 0.02 | 0.0001 | 0.005 | 0.15 | 0.5 | D10≥3.0 D50=7.0-11.0 D100≤25.0 | ≥2.3 | ≤5.0 | ≤0.30 |
| UMMO69 | 95.8 | 69 | 0.005 | 0.001 | 0.05 | 0.08 | 0.01 | 0.01 | 0.02 | 0.0001 | 0.005 | 0.35 | 0.5 | D10≥3.0 D50=5.0-10.0 D100≤30.0 | ≥2.25 | ≤5.0 | ≤0.30 |
What is Manganese(II,III) Oxide used for? Mn3O4 is sometimes used as a starting material in the production of soft ferrites e.g. manganese zinc ferrite, and lithium manganese oxide, used in lithium batteries. Manganese tetroxide can be used as a weighting agent while drilling reservoir sections in oil and gas wells. Manganese(III) Oxide is also used to produce ceramic magnets and semiconductors.
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