Manganese Dioxide / 99% Pure/ Reagent Grade/Fine Powder
Product Name: Manganese Dioxide
CAS No.: 1313-13-9
Purity :70% ,99%
Model NO: JD-MDEG-99
Grade :Electronic grade
Molecular formula::MnO2
Chemical Parameters:
| Items |
Specifications |
Result |
| MnO2(%) |
≥96.5% |
97% |
| Ca(%) |
≤0.1 |
0.013 |
| Mg(%) |
≤0.05 |
0.012 |
| SO4(%) |
≤0.3 |
0.08 |
| Pb(%) |
≤0.002 |
0.0001 |
| Fe(%) |
≤0.01 |
0.003 |
| 粒度分布 D50 (μm) |
15-30 |
22.5 |
| K% |
≤0.01 |
0.004 |
| As% |
≤0.001 |
0.0002 |
Chemical Parameters:
| Items |
Specifications |
Result |
| MnO2 (%) |
≥99 |
99.15 |
| Ca(%) |
≤0.02 |
0.007 |
| Mg(%) |
≤0.02 |
0.005 |
| SO4(%) |
≤0.08 |
0.051 |
| Pb(%) |
≤0.002 |
0.0005 |
| Fe(%) |
≤0.01 |
0.005 |
| 粒度分布 D50 (μm) |
1-5 |
2.7 |
| K% |
≤0.01 |
0.0021 |
| Na% |
≤0.01 |
0.004 |
What are the main uses of Manganese Dioxide?
1. Oxidizing Agent:
One of the primary uses of Manganese Dioxide is as an oxidizing agent. It can effectively oxidize various chemicals and compounds, which makes it an essential component in the production of batteries, particularly dry-cell batteries. Manganese Dioxide acts as a depolarizer in these batteries, converting hydrogen gas into water and generating electricity.
2. Sulfuric Acid Catalyst:
Manganese Dioxide is also used as a catalyst in the production of Sulfuric Acid. Sulfur Dioxide gas is oxidized using Manganese Dioxide to produce Sulfur Trioxide, which is a critical intermediate compound in the production of Sulfuric Acid. The catalyst helps to speed up the reaction and increase the yield of Sulfur Trioxide.
3. Production of Ceramic Materials:
Another application of Manganese Dioxide is in the production of ceramic materials. It is used as a colouring agent to produce brown and black pigments in ceramic glazes, and is also added to clay during the manufacturing process to improve its strength and durability.
4. Production of steel:
Manganese Dioxide is also used in the production of steel and other ferrous alloys. It is added to the iron ore during the manufacturing process to remove impurities and improve the quality of the final product. It also helps to convert impurities like sulphur and phosphorus into slag, which is removed from the iron to produce high-quality steel.
5 Decolorizing Agent:
Other applications of Manganese Dioxide include its use as a decolorizing agent in glass production, a component in the production of dry-powder fire extinguishers, and an oxidizing agent in the chemical industry.
Overall, Manganese Dioxide is a versatile chemical compound with a wide range of applications in various industries. Its unique properties make it an essential component in the production of batteries, ceramics, steel, and other products, and its oxidizing and catalytic abilities make it an indispensable chemical in many chemical processes.
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