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Manganese Dioxide, Mangane Dioxide, 1313-13-9

Manganese Dioxide, Mangane Dioxide, 1313-13-9

MANGANESE DIOXIDE (MnO₂)

1. GENERAL INFORMATION AND CHEMICAL IDENTITY

Parameter Description
Product Name Manganese Dioxide
Chemical Formula MnO₂
CAS Number 1313-13-9
EC Number 215-202-6
Atomic Number 25 (Manganese)
Molecular Weight 86.94 g/mol
Discovery 1774
Appearance Brownish-black powder
Crystal Structure Naturally found as pyrolusite mineral
Natural Source Extensive reserves available in Turkey

CHEMICAL DESCRIPTION:

Manganese Dioxide (MnO₂) is a manganese oxide found naturally as the mineral pyrolusite, appearing as a brownish-black powder. In the ceramic industry, it is used in glazes and bodies for antiquing effects. It is used as a black colorant additive in refractory and brick production, as a feed additive in oxide form after calcination in the animal feed sector, and widely as an electrode material in alkaline and zinc-carbon batteries in the energy sector. Turkey has extensive reserves with low import dependency.

2. CHEMICAL COMPOSITION (CERTIFICATE OF ANALYSIS)

Component Value
MnO₂ 53 – 64% (min.)
Al₂O₃ ≤ 1.8%
SiO₂ ≤ 15%
Iron (Fe) Variable
Calcium (Ca) Variable
Magnesium (Mg) Variable

3. PHYSICAL PROPERTIES

Property Value
Appearance Brownish / black powder
Particle Size 44 – 75 microns
Firing Color (Ceramic) Dark brown – gray
Density ~5.0 g/cm³
Melting Point ~535 °C (decomposes)
Solubility in Water Insoluble
Solubility in Acids Soluble
Industrial Processing Mined naturally, generally used without processing

4. APPLICATIONS

Sector Application
Ceramic Industry Used in glazes and green bodies for antiquing effects
Refractory and Brick Additive for black color properties
Animal Feed Calcined at 800-850°C, used as oxide feed additive
Energy Sector Electrode material in alkaline and zinc-carbon batteries
Paint and Pigment Black colorant
Metallurgy Oxidizing agent
Chemical Industry Oxidation reactions

5. CERAMIC APPLICATIONS

Application Description
Glaze Technique (Antiquing) Used in glaze techniques for antiquing effects
Green Body Added directly to clay body for coloring
Color Properties Provides dark brown and gray tones
Firing Temperature Compatible with ceramic firing temperatures

6. ENERGY SECTOR APPLICATIONS

Battery Type Application Description
Alkaline Batteries Cathode material High capacity, long life
Zinc-Carbon Batteries Cathode material Low cost, widespread use
Lithium Batteries Cathode material High energy density

7. STATUS IN TURKEY

Parameter Information
Reserve Status Extensive manganese reserves in Turkey
Usage Method Mined manganese oxide used without processing
Import Dependency Low; domestic resources sufficient
Main Regions Black Sea, Central Anatolia, Aegean regions

8. HANDLING AND STORAGE

Parameter Information
Storage Conditions Dry, enclosed area; protect from moisture
Storage Temperature Room temperature
Keep Away From Strong acids, reducing agents, moisture
Shelf Life Unlimited (under proper storage)
Packaging 25 kg bags, Big Bags, custom upon request
Handling Notes Avoid dust formation; avoid eye and respiratory contact

Personal Protective Equipment:

  • Dust mask (P2 or N95)

  • Safety goggles

  • Protective gloves

  • Protective clothing

9. SAFETY AND TOXICOLOGY

Parameter Value
GHS Classification GHS07 (Warning)
Signal Word Warning
Hazard Statements H302 (Harmful if swallowed), H332 (Harmful if inhaled)
Precautionary Statements P261, P264, P270, P271, P280, P301+P312, P304+P340, P312, P501
Toxicity Moderate
Dust Inhalation Dust inhalation may cause respiratory tract irritation
Skin Contact May cause mild irritation
Eye Contact May cause mild irritation
Carcinogenicity Not classified
Ecotoxicity Low

SPECIAL WARNINGS:

  • Manganese dust inhalation may affect the nervous system (manganism)

  • Prolonged exposure may cause respiratory diseases

  • Appropriate dust control measures should be taken

  • Decomposes at high temperatures releasing oxygen

10. ENVIRONMENTAL INFORMATION

Parameter Information
Ecotoxicity Low
Bioaccumulation Not expected
Environmental Impact Natural mineral; low toxicity with controlled use
Waste Management Disposal according to local regulations
Recycling Possible (battery recycling)

11. TRANSPORT INFORMATION

Parameter Information
UN Number Not classified as dangerous for transport
Hazard Class Not classified
Packing Group Not applicable
Proper Shipping Name Manganese Dioxide
Marine Pollutant No
ADR/RID Label None

12. SUMMARY AND CRITICAL WARNINGS

SUMMARY:

Manganese Dioxide (MnO₂, CAS 1313-13-9) is a manganese oxide found naturally as the mineral pyrolusite, appearing as a brownish-black powder. It is used in the ceramic industry for antiquing effects, as a black colorant in refractory production, as an oxide feed additive in the animal feed sector, and as an electrode material in alkaline and zinc-carbon batteries in the energy sector.

Key Properties:

Property Value
Formula MnO₂
CAS No 1313-13-9
Molecular Weight 86.94 g/mol
Appearance Brownish/black powder
Particle Size 44 – 75 µm
MnO₂ 53-64%
Density ~5.0 g/cm³
Melting Point ~535 °C

CRITICAL WARNINGS:

  1. Ceramic Application: Used in glaze techniques for antiquing effects. Can be added directly to green bodies. Provides dark brown and gray tones.

  2. Battery Industry: Critical as cathode material in alkaline and zinc-carbon batteries.

  3. Turkey Reserves: Extensive manganese reserves in Turkey; low import dependency.

  4. Feed Additive: Calcined at 800-850°C, used as oxide feed additive.

  5. Dust Inhalation: Manganese dust inhalation may affect the nervous system (manganism). Appropriate dust control measures should be taken.

  6. Thermal Decomposition: Decomposes at high temperatures releasing oxygen; may create oxidizing environments.

Important Disclaimer: This Technical Data Sheet (TDS) is for informational purposes only. The information provided is based on available data and is believed to be accurate. However, the user is solely responsible for determining the suitability of the product for their specific applications and for complying with all applicable regulations and safety requirements. For complete safety, handling, storage, and regulatory compliance information, always refer to the official Safety Data Sheet (SDS/MSDS) provided by the manufacturer/supplier. All local, national, and international regulations must be followed when working with Manganese Dioxide. Testing prior to use in glaze recipes and battery formulations is recommended.

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