Description of Manganese Dioxide MnO2:

Manganese dioxide Is an organic compound having the chemical formula MnO2. This is an element that exists naturally in the form of pyrolusite. Physical characteristics: Black orthorhombic or amorphous crystals. Solubility: It's not easily soluble in water, weak acid, or weak base.

MnO2 has been identified as A polymorph of alpha atoms that allows for the incorporation of various elements (and water molecules) in "tunnels" and "channels" within the manganese dioxide octahedrons. As a cathode for lithium-ion batteries, people are interested in the possibility of a-MnO2.

Manganese 2 oxide An amphoteric dioxide. It's a stable, black, powdery substance at room temperature and can be used for depolarizing dry batteries. It's often used in laboratory settings to create chlorine through its oxidizing ability and the action of concentrated HCl. Manganese dioxide This is an acidic media oxidant that can be strong. Manganese dioxide is an [MnO2]-Octahedron. The top of the Octahedron has the oxygen atom, while the bottom is home to the manganese. To form single or double chains, [MnO2] octahedrons may be linked together. This combination of chains with other chains creates The tunnel structure, which can be either hexagonal, square, or double-packed.

Manganese dioxide is It is an amphoteric organic oxide. A corresponding salt, in the form of a perovskite crystal structure like BaMnO3/SrMnO3, is also present (obtained via a compound reaction in a mole alkali system). Also, manganese Tetrachloride can be found.

It is called an oxidizing agent when manganese oxide comes into contact with a reducer. In order to produce manganese oxide (for example), manganese is heated to 1400K in a stream with hydrogen; to create manganese trioxide (for brown-black manganese), manganese is then heated to 1400K in a stream with ammonia; and the manganese is reacting to concentrated hydrochloric acid for water, chlorine, and manganese.

Reductibility is also demonstrated when manganese dioxide comes into contact with strong organic compounds. When manganese oxide, potassium carbonate, potassium citrate, or potassium salt are combined and melted, you can get a dark brown melt. This melt can be dissolved and then cooled to produce potassium manganate.

Manganese dioxide is an acidic media strong oxidant. It acts as a catalyst for the reduction of potassium chlorate [KClO3] or the reduction of hydrogen peroxide ("hydrogen peroxide," H2O2].

Because of its strong oxidant, manganese dioxide doesn't burn on its own. However, it is capable of supporting combustion. It should, therefore, not be mixed with any flammable material.

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Manganese Dioxide CAS 1313-13-9 Product Performance

Physical characteristics: Black powder or black crystals rhombic. The solubility of the compound is not easy to dissolve in water or weak acids, weak bases, or cold sulfuric acid. It can also be dissolved in concentrated hydrochloric under heating to make chlorine gas.

Manganese dioxide, an amphoteric ore, has chemical properties. The salt is also available as a perovskite or BaMnO3 structure. This compound reaction occurs in an alkali molten system. You can also find manganese Tetrachloride.

The oxidizing properties of manganese dioxide are revealed when the reducing agents are mixed with it. You can heat manganese dioxide in 1400K hydrogen. To make manganese oxide, you need to heat it in another stream. Manganese is then heated in ammonia until it turns brown.

If it is exposed to strong oxidants, it will also show a reduction property. In an acid medium, it is a strong antioxidant.

Manganese Dioxide Composition:

MnO2	H2O	Fe	Cu	Pb	Ni	Co	Hg	Acid not soluble	sulfate
92.33%	2.17%	65ppm	0.5ppm	0.5ppm	2.0ppm	2.0ppm	47ppm	0.01%	1.2%

How Manganese Dioxide MnO2 is produced?

The naturally occurring manganese dioxide contains impurities as well as a significant amount of manganese trioxide. Very few deposits have gamma modifications of enough purity that they can meet the demands of the batteries industry.

Manganese dioxide of high purity is needed for the production of ferrites, batteries, and other uses. Both the battery and ferrite require "electrolytic Manganese dioxide," while "chemical manganese oxide" is required.

1. Chemical Manganese Dioxide

Another method is to use natural manganese dioxide and then mix dinitrogen trioxide with water to make a solution of manganese II nitrate. The evaporation of water can form crystallized Nitrates. A temperature of 400 degrees C causes the salt to break down, leaving behind N2O4 as well as a residue of pure manganese oxide. This is how these two processes can be described:

MnO2 +N2O4=Mn(NO3)2

2. Carbothermal removal of manganese dioxide

Another method is to reduce manganese dioxide by carbothermal reduction into manganese (II) oxide and then dissolve it in sulfuric acid. MnCO was precipitated from the filtrated solution by ammonium carbonate.

For a mix of manganese and iron oxides, the carbonate is heated in air. The material is then suspended in sulfuric acid and treated with sodium chlorate to complete the process. In situ, the chloric acid is capable of converting any Mn(III and MnII oxides into carbon dioxide. This can also release chlorine by-products.

3. Manganese epoxide and manganese monoxide

Third is manganese oxide and manganese molybdenum. Mix the two ingredients in a 1:3 ratio to make manganese dioxide.

Mn2O7 + 3 MnO-5 MnO2

Finally, the potassium permanganate's effect on the manganese Sulfate Crystals gives rise to the desired oxide.

2 KMnO4 + 3 MnSO4 + 2 H2O-5 MnO2 + K2SO4 + 2 H2SO4

4. Electrolytic Manganese Dioxide

EMD is an electrolytic manganese dioxide (EMD), which can be used together with zinc chloride, ammonium salts, and zinc chloride in a zinc-carbon battery. EMD can also be found in rechargeable alkaline manganese zinc oxide (ZnRAM) batteries. These applications require purity. EMD's production process is identical to ETP (electrolytic ductile pitch): Manganese dioxide and sulfuric acid are dissolved together, with some mixtures of manganese oxide and manganese sulfate. Between the electrodes, electricity is applied. The anode is coated with the dissolved MnO2 in the solution as sulfate.

Manganese Dioxide (MnO2) Applications :

Battery industry

Manganese dioxide is widely used in the battery industry, especially in alkaline batteries and zinc-manganese batteries, and manganese dioxide is one of the main cathode materials. In alkaline batteries, manganese dioxide can provide a continuous current and can keep the voltage of the battery stable. In zinc-manganese batteries, manganese dioxide is the main component of the cathode material, which can provide a high energy density and stable discharge curve. In addition, manganese dioxide can also be used to make other types of batteries, such as lithium-ion batteries.

Catalyst field

For example, manganese dioxide can be used as an oxidizing agent to oxidize alcohols into carboxylic acids, and it can also be used for oxidative coupling reactions of methane. In addition, manganese dioxide can also be used as a catalyst for the synthesis of other organic compounds and the preparation of polymer materials.

Coatings and paints industry

Manganese dioxide is widely used in the coatings and paints industry. It can be used as a pigment for anti-rust paint and anti-corrosion paint and has good weather resistance and chemical stability. In addition, manganese dioxide can also be used to manufacture other coatings and paint additives, such as anti-scratch agents, antistatic agents, etc.

Ceramics and glass industry

Manganese dioxide can be used in colorants and glazes in the ceramic and glass industries. It can provide bright colors and good hiding power and has high chemical stability and weather resistance. In addition, manganese dioxide can also be used to manufacture other ceramics and glass product additives.

Electronics and semiconductor industries

Manganese dioxide can be used in the electronics and semiconductor industries as a dopant. It can incorporate other elements into semiconductor materials, such as silicon or germanium, to form PN junctions or other semiconductor devices. In addition, manganese dioxide can also be used in the manufacture of other electronic components and semiconductor devices.

Environmental protection

Manganese dioxide can be used in environmental protection fields, such as water treatment and waste gas treatment. In wastewater treatment, manganese dioxide can be used as a catalyst to accelerate the decomposition and purification of wastewater. In waste gas treatment, manganese dioxide can be used to absorb harmful substances in waste gas, such as sulfides and nitrides. In addition, manganese dioxide can also be used to prepare environmentally friendly materials and sensors.

Manganese Dioxide powder Storage Conditions:
Take precautions when storing: Make sure to store in a well-ventilated warehouse. You should keep it away from heat and flames. Keep it out of direct contact with combustibles, including acids, reducing agents and fire. You should use suitable materials in your storage to stop leakage.

Shipping and Packing of Manganese Dioxide NnO2 Powder
There are many options for packing Manganese Dioxide powder.
Manganese Dioxide MnO2 Powder packing: You can vacuum pack 1kg/bag, 25kg/barrel or according to your requirements.
Manganese Dioxide MnO2 Powder: Could be sent by air, sea or express once payment has been received.

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Manganese Dioxide Properties
Other Titles	manganese oxide, MnO2 powder
	1313-13-9
Compound Formula	MnO2
Molecular Weight	86.94
Appearance	Black Powder
Melting Point	535 degC
Boiling Point	N/A
Density	5.03 g/cm3
Solubility of H2O	Insoluble
Exact Weight	86.9279
Manganese Dioxide Health & Safety Information
Signal word	Alert
Hazard Statements	H302 + H332
Hazard Codes	Xn. O
Risk Codes	N/A
Safety statements	N/A
Transport Information	NONH

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