Manganese Dioxide (MnO₂) — High-Purity Powder for Batteries & Industrial Use
Premium MnO₂ powders manufactured to buyer specifications — battery grade, technical grade, and pigment grades. Fast lead times, full COA & SDS available.
Product Introduction
Product Name: Manganese Dioxide
Purity: 30-99%
Mesh: 100-300
CAS: 1313-13-9
Packaging: 25kg, 50kg, Tonnage Bags
Properties: Black amorphous powder or black orthorhombic crystals.
Solubility: Poorly soluble in water, weak acids, weak bases, nitric acid, and cold sulfuric acid. Soluble in concentrated hydrochloric acid under heating, producing chlorine gas.
Our manganese dioxide (MnO₂) powders are produced under controlled conditions for consistent particle size, minimal contamination and high electrochemical performance. Available in battery grade and industrial grades, our MnO₂ is widely used as a cathode raw material for dry-cell batteries, in pigments, catalysts and other specialty applications. COA and SDS are available on request.
| Feature | Description |
| Product Name | Manganese Dioxide |
| Content | 30-99% |
| Mesh Size | 100-300 |
| Packaging | 25kg, 50kg, Ton Bag |
| Appearance / Properties | Black amorphous powder or black rhombic crystal. |
| Solubility | Hardly soluble in water, weak acid, weak alkali, nitric acid, and cold sulfuric acid. Soluble in hot concentrated hydrochloric acid, producing chlorine gas. |
| Uses | 1. Colorant, decolorant, and de-ironing agent in the glass and ceramic industries. 2. Catalyst and oxidizing agent in the synthetic industry. 3. Depolarizer for dry cell batteries. 4. Used for manufacturing metallic manganese, special alloys, ferromanganese castings, gas masks, and ferrite for electronic materials. 5. Can also be used as a catalyst in chemical experiments. |
Applications
Battery Industry – EMD / CMD Applications
How It Is Used
Cathode material in zinc-carbon batteries
Cathode material in alkaline batteries
Key material in lithium primary batteries
Precursor for lithium manganese oxide (LMO) production
Technical Principle
Manganese dioxide acts as an electron acceptor in electrochemical reactions.
In batteries, MnO₂ undergoes controlled reduction:
MnO₂ + e⁻ → MnOOH
High-purity Electrolytic Manganese Dioxide (EMD) and Chemical Manganese Dioxide (CMD) provide high discharge capacity, stable crystal structure (γ-MnO₂ preferred), controlled particle size distribution, and low heavy metal impurities.
Pain Points Solved
Low discharge capacity — High purity EMD improves electron transfer efficiency
Voltage instability — Stable crystal phase ensures steady discharge curve
Short battery life — Optimized particle morphology enhances utilization rate
High internal resistance — Controlled PSD improves conductivity
Recommended Grades
Electrolytic Manganese Dioxide (EMD)
Chemical Manganese Dioxide (CMD)
Customized surface-treated MnO₂ for lithium systems
Water Treatment & Filtration Industry
How It Is Used
Removal of iron (Fe²⁺) and manganese (Mn²⁺) in groundwater
Catalytic oxidation media in filtration beds
Hydrogen sulfide (H₂S) removal
Arsenic adsorption in combined systems
Technical Principle
MnO₂ works as a strong oxidizing catalyst.
Example reaction:
MnO₂ + Fe²⁺ → Fe³⁺ + Mn²⁺
It oxidizes soluble metals into insoluble forms, allowing easy filtration.
It also acts as catalytic surface media, oxidation–reduction active layer, and regenerable filter material.
Pain Points Solved
High iron in groundwater — Rapid oxidation and precipitation
Black water caused by Mn²⁺ — Effective manganese removal
Rotten egg smell (H₂S) — Oxidative decomposition
Frequent media replacement — Durable catalytic performance
Recommended Grades
Manganese sand filter media
Coated MnO₂ granular media
High surface area activated MnO₂
Glass & Ceramics Industry
How It Is Used
Decolorizing agent in glass
Neutralizing green tint caused by iron impurities
Coloring agent for brown and black ceramic glazes
Pigment stabilizer in high-temperature porcelain
Technical Principle
In glass manufacturing, iron contamination produces green tint (Fe²⁺). MnO₂ oxidizes Fe²⁺ to Fe³⁺, reducing green coloration.
MnO₂ + Fe²⁺ → Fe³⁺
In ceramics, MnO₂ acts as a coloring oxide, produces dark brown or black tones, and remains stable at high firing temperatures.
Pain Points Solved
Green tint in glass — Oxidation of iron impurities
Inconsistent glaze color — Stable high-temperature pigment
Color fading — High thermal stability
Poor optical clarity — High-purity MnO₂ reduces impurities
Recommended Grades
Glass grade MnO₂ (high purity)
Ceramic grade MnO₂ (controlled particle size)
Natural pyrolusite for coloring applications
Chemical Synthesis & Catalyst Industry
How It Is Used
Selective oxidation of alcohols (allylic and benzylic)
Oxidation of aldehydes
VOC catalytic combustion
Formaldehyde (HCHO) decomposition
Technical Principle
MnO₂ acts as a mild oxidizing agent, heterogeneous catalyst, and surface redox-active material.
Example reaction:
R-CH₂OH → R-CHO
The γ-MnO₂ crystal structure enhances selectivity, improves reaction yield, and enables controlled oxidation without over-oxidation.
Pain Points Solved
Over-oxidation by KMnO₄ — Selective oxidation capability
Heavy metal contamination — Lower toxicity alternative
Low catalyst stability — Strong redox cycling capability
VOC emissions — Efficient catalytic decomposition
Recommended Grades
Activated MnO₂
Reagent-grade MnO₂
Nano-structured MnO₂ catalysts
Coatings & Sealants Industry
How It Is Used
Pigment in protective coatings
Corrosion-resistant formulations
UV-stable coloring agent
Functional filler in sealants
Technical Principle
MnO₂ provides high chemical stability, UV resistance, and oxidative durability.
In anti-corrosion systems, MnO₂ acts as a barrier pigment, enhances chemical resistance, and improves coating longevity.
Pain Points Solved
Coating discoloration — UV stability
Corrosion under coating — Oxidative resistance
Poor pigment durability — Thermal and chemical stability
Short coating lifespan — Enhanced barrier protection
Recommended Grades
Fine powder MnO₂
Surface-treated MnO₂
Controlled particle size pigment grade
Metallurgy & Special Uses Industry
How It Is Used
Alloy additive
Deoxidizer in steel production
Raw material for ferromanganese
Special oxidizing agent in pyrotechnics
Technical Principle
In metallurgy, MnO₂ acts as an oxygen scavenger, improves metal purity, and adjusts alloy composition.
In pyrotechnics, it functions as a strong oxidizer and provides controlled combustion performance.
Pain Points Solved
Excess oxygen in molten metal — Deoxidizing action
Impure alloy structure — Controlled manganese addition
Weak mechanical properties — Improved hardness and toughness
Inconsistent combustion in special applications — Stable oxidizing power
Recommended Grades
Industrial MnO₂
Natural MnO₂ (Pyrolusite)
Metallurgical-grade manganese compounds
Guidance
1 : Check out Manganese dioxide solutuions for Battery Industry – EMD/CMD industry
2 : Check out Manganese dioxide solutions for Water Treatment & Filtration industry
3 : Check out Manganese dioxide solutions for Glass & Ceramics industry
4 : Check out Manganese dioxide solutions for Chemical Synthesis & Catalyst industry
5 : Check out Manganese dioxide solutions for Coatings & Sealants industry
6 : Check out Manganese dioxide solutions for Metallurgy & Special Uses industry
Why Choose Our MnO₂
Battery-grade quality — low impurity profile, suitable for alkaline & lithium MnO₂ cells.
Custom particle sizing — multiple mesh ranges and micron sizes to suit processing.
Full testing & COA — ICP-OES for heavy metals, moisture, loss on ignition.
Reliable supply chain — stable monthly capacity & export experience.
Flexible packaging & logistics — sea/air shipments, export documentation.
Mesh / Particle Size Guidance
Coarser (>100 µm / small mesh) suitable for pigments / some industrial uses.
Fine powders (sub-micron to few µm / high mesh like 200 mesh) often required for battery cathode mixing to ensure good dispersion and electrochemical performance.
Quality & Testing
We test every batch with ICP-OES for heavy metal contaminants, XRD for phase verification, particle size analysis (laser diffraction), moisture by Karl Fischer and LOI. A sample COA is available for download. For battery customers we can provide production-lot traceability and additional electrical performance tests on request.
Packaging, Storage & Shipping
Packaging options: 25 kg kraft bag (PE liner) / 500 kg FIBC / 1 MT jumbo. Custom labeling available.
Storage & handling: Store in cool, dry place. Keep bags sealed to avoid moisture uptake. For transport classify per local regulations and provide SDS.
Shipping tips: For bulk shipments declare HS code (you can place HS code on page once confirmed with your export team). For air shipments check IATA restrictions on chemical powders — coordinate with freight forwarder.
FAQ
Q: What purity grades do you supply?
A: Battery grade (≥99%), technical grade (95%+), and industrial grade. We can customize purity and particle size per buyer requirements — request COA for batch verification.
Q: Can you provide COA and SDS?
A: Yes — COA & SDS are available for every shipment. Download sample COA above or request a lot-specific COA.
Q: What are your minimum order quantities (MOQ)?
A: Standard MOQ is 10 tons — for samples we can supply small pack sizes; contact us for details.
Q: How do you control heavy metal impurities?
A: We apply ICP-OES testing on each batch and provide the heavy metal report in the COA.
Q. What is the typical MnO₂ purity you can supply?
A: We offer MnO₂ with purity levels ranging from 85% to over 91%, depending on application needs.
Q: How do you control impurity elements like Fe, Pb, and heavy metals?
A: Impurities are strictly controlled through raw material selection and purification processes, with defined ppm limits.
Q: Is your manganese dioxide suitable for battery applications?
A: Yes, we supply MnO₂ grades designed for dry batteries and certain lithium battery applications.
Q: What particle size distribution can you offer for MnO₂?
A: We can customize particle size based on application, including fine powder and controlled granule sizes.
Q: How does MnO₂ performance affect battery lifespan?
A: Stable MnO₂ purity and structure help improve discharge efficiency and reduce internal resistance.
Ready to order? Request a quote with your required purity, particle size, and annual quantity.
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"We have been sourcing manganese dioxide from btlnewmaterial for over two years, and the experience has been excellent. The product quality is consistently high, with purity levels meeting our battery-grade requirements and mesh size exactly as specified. Deliveries are always on time, and the packaging ensures safe and clean handling. What we value most is their technical support — whenever we had special requirements for particle size or bulk density, their team responded quickly and provided tailored solutions. This reliability has made them one of our most trusted partners in the supply chain. We highly recommend btlnewmaterial as a professional and dependable supplier of manganese dioxide."
Product SKU: high purity manganese dioxide
Product Brand: btlnewmaterial
Product Currency: USD
Product Price: 850
Product In-Stock: InStock
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