High Surface Area Manganese Dioxide (MnO₂) for Gas-Phase Catalysis
High specific surface area electrolytic manganese dioxide engineered for gas-phase catalytic applications. Controlled pore structure and low impurity profile make it ideal for catalytic oxidation, VOC removal, air purification, and other heterogeneous catalysis processes.
High Surface Area MnO₂ for Gas-Phase Catalysis
High Surface Area Manganese Dioxide for Gas Phase Catalysis is a highly active MnO₂ material designed for heterogeneous catalytic reactions in gas-phase systems. With a typical MnO₂ purity of 90–95% and a high specific surface area, this material provides excellent catalytic activity for oxidation and decomposition reactions. It is widely used in environmental catalysis, air purification, and industrial gas treatment processes.
Product Identification
Key reference information for this catalytic grade manganese dioxide.
| Item | Value |
|---|---|
| Product Name | High Specific Surface Area Manganese Dioxide for Gas-Phase Catalysis |
| Chemical Formula | MnO₂ |
| CAS Number | 1313-13-9 |
| Appearance | Black powder |
| Product Grade | Catalytic grade / Battery-grade derivative |
| Manufacturing Process | Electrolytic |
Typical Physical & Chemical Properties
Core specification values for the gas-phase catalysis grade MnO₂.
| Property | Unit | Specification | Typical Value |
|---|---|---|---|
| MnO₂ content | % | ≥91.0 | 91.4 |
| Moisture (H₂O) | % | ≤3.0 | 2.8 |
| pH (distilled water method) | — | 5.0–7.0 | 6.8 |
| Bulk density | g/cm³ | ≥1.5 | 1.51 |
| HCl insoluble matter | % | ≤0.1 | <0.05 |
| Sulfate (SO₄²−) content | % | ≤1.3 | 1.1 |
Trace Element Analysis
Tight control of transition metals and catalyst poisons ensures stable catalytic performance.
| Element | Unit | Specification | Typical Value |
|---|---|---|---|
| Iron (Fe) | μg/g | ≤80 | 43 |
| Copper (Cu) | μg/g | ≤5.0 | 0.5 |
| Lead (Pb) | μg/g | ≤5.0 | 2.5 |
| Cobalt (Co) | μg/g | ≤5.0 | 3.8 |
| Nickel (Ni) | μg/g | ≤5.0 | 1.4 |
| Potassium (K) | μg/g | ≤500 | 490 |
| Sodium (Na) | μg/g | ≤4000 | 3400 |
| Molybdenum (Mo) | μg/g | ≤20 | 3.0 |
| Arsenic (As) | μg/g | ≤20 | 17 |
| Antimony (Sb) | μg/g | ≤20 | 19 |
| Calcium (Ca) | μg/g | ≤800 | 234 |
| Magnesium (Mg) | μg/g | ≤800 | 281 |
| Titanium (Ti) | μg/g | ≤120 | 22 |
| Chromium (Cr) | μg/g | ≤100 | 5.2 |
| Vanadium (V) | μg/g | ≤20 | 9.5 |
| Aluminum (Al) | μg/g | ≤100 | 9.0 |
| Ammonium (NH₄+) | μg/g | ≤80 | 76 |
Particle Size Distribution
Fine powder optimized for catalytic bed packing and homogeneous gas-solid contact.
| Sieve / Size | Unit | Specification | Typical Value |
|---|---|---|---|
| +100 mesh (>150 μm) | % | ≤0.3 | <0.05 |
| −200 mesh (<75 μm) | % | ≥97 | 99.67 |
| −325 mesh (<45 μm) | % | ≥75 | 85.51 |
Why Choose Our Catalysis Grade MnO₂
Engineered surface chemistry and purity for demanding gas-phase catalytic processes.
Electrolytic Purity
Produced by an electrolytic process with ≥91% MnO₂ and tightly controlled heavy-metal impurities for predictable catalyst behavior.
Controlled Pore Structure
Engineered particle size distribution (97% passing 200 mesh) ensures uniform gas flow and reliable contact with reactants.
Flexible Packaging
25 kg woven PP bags with PE liner as standard; bulk packaging and custom labeling available on request.
Applications
Designed for heterogeneous gas-phase catalysis across air-treatment and chemical-process industries.
Catalytic Oxidation
Oxidation of gaseous pollutants and VOCs in industrial exhaust streams.
Catalytic Decomposition
Decomposition of harmful gases such as ozone, nitrogen oxides, and other reactive species.
Air & Gas Purification
Removal of odor, contaminants, and trace impurities from process air and off-gas.
VOC Removal Systems
Standalone or pre-filter media in combination VOC abatement trains for paint, printing, and chemical plants.
Heterogeneous Catalysis
General-purpose active material for laboratory and industrial gas-phase heterogeneous reactions.
Packaging & Storage
Standard packaging, shelf life, and basic handling notes.
Packaging
25 kg net per woven polypropylene bag with inner polyethylene liner. Bulk packaging and custom labeling available on request.
Storage
Store in a dry, ventilated warehouse away from moisture, heat, and acids. Keep containers tightly closed when not in use.
Shelf Life
2 years when stored under the recommended conditions.
Safety
Avoid inhalation of dust. Use a dust mask, safety goggles, and gloves. Refer to the SDS for detailed handling, transport, and disposal information.
Factory Shipment Video
See how our high surface area manganese dioxide is packed and shipped from the production facility.
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