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High Purity Manganese Dioxide MnO2 Powder CAS 1313-13-9, 96.6%

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Manganese oxide is either a black rhombic or amorphous crystal. Solubility: It's difficult to dissolve in water or weak acid/weak base and in conc. Purity: 96.6%,72%.
Particle size: 1 to 3 mm

About Manganese Dioxide MnO2:
Manganese dioxide Is an organic compound having the chemical formula MnO2 This is found as pyrolusite. Physical characteristics: Black orthorhombic or amorphous crystals. Solubility: It's not easily soluble with water, weak acid or weak base.

MnO2 has been identified A polymorph of alpha atoms that allows for the incorporation of various elements (and water molecules), in "tunnels", "channels" 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 temperatures 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 concentrated HCl. Manganese dioxide is This is an acidic media oxidant that can be strong. Manganese dioxide is an [MnO2]-octahedron. The top half of the octahedron houses the oxygen atom, and the bottom half 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 of the same name, with a salt in the shape of BaMnO3/SrMnO3 from a compound reaction in moltenalkali systems. Also present is manganese Tetrachloride.

It is known as oxidizing 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 react 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 then be dissolved and cooled to produce potassium manganate.
Manganese dioxide is an acidic media strong oxidant. It acts as a catalyst to decompose potassium chlorate [KClO3] or 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, black rhombic and amorphous. 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 molten alkali systems. You can also find manganese Tetrachloride.
The oxidizing properties of manganese dioxide are revealed when the reducing agents is 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 you get brown-black manganese trioxide. When manganese is reacting with concentrated hydrochloric acids, the result is manganese chlorineide, water and chloride.
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%

It is simple. Manganese Dioxide MnO2 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 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 to then mix dinitrogen trioxidide with water to make a solution of manganese II nitrate. Crystallized Nitrates can be formed by the evaporation water. A temperature of 400°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 summarized.
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, carbonate can be calcined with air. This is followed by sodium chlorate treatment to complete the procedure. In situ, the chloric acid is capable of converting any Mn(III/II oxides into carbon dioxide and releasing other 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 hydroide, and zinc chloride in zinc-carbon battery. EMD can also be found in the 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 manganesesulfate. Between the electrodes, electricity is applied. The anode is coated with the dissolved MnO2 in the solution as sulfate.

Manganese Dioxide (MnO2) Applications :
Manganese dioxide is a dark or brownish solid. It is found naturally in the mineral, Pyrolusite.
MnO2's main purpose is to make dry batteries like alkaline or zinc-carbon batteries.
MnO2 can also be used as a precursor to pigments and other compounds made from manganese (e.g. KMnO4). This reagent is often used for organic synthesis.
MnO2 serves as a depolarizer in dry batteries and as a catalyst in the synthesis process. It is also used in the enamel and glass industries as a colorant/decolorant as well as as an iron removal agent.
MnO2 can also be used in the production of special alloys, metallic manganese castings, gas masks, and ferrites for electronic material.
The rubber industry can use MnO2 to improve the rubber's viscosity.
Chemical experiments use MnO2 as a catalyst
This is used to catalyze the breakdown of hydrogen peroxide, also known as hydrogen peroxide.
Useful for heating potassium chlorate in order to produce oxygen.
This reacts with elemental aluminium powder to make manganese through a thermite process.
You can use pigments like yellow glass or other colors.
Use hot concentrated hydrochloric acids to make chlorine.
To make potassium manganate, it reacts in the air with molten caustic potassium (potassium hydroxide).
Manganese dioxide works as a self catalyst for potassium permanganate during the decomposition of potassium permanganate.

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, acids and reducing agents. Avoid mixing storage. 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 sea or air as soon as possible after receipt of payment.


Mis-asia advanced materials Nano Technology Co. Ltd. (Miss-asia) has over 12-years of experience as a supplier and manufacturer for super high-quality chemical material. This includes boride, nitride, graphite, sulfide, 3D printing powders, and more.
High-quality products are what you want MnO2 powder Please feel free and contact us to make an enquiry. ( brad@ihpa.net )

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

Alert
Hazard Statements H302 + H332
Hazard Codes Xn. O
Risk Codes N/A
Safety statements N/A
Transport Information NONH

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