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The Applications of MnO2 Powder


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MnO2 Oil



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Manganese dioxide has an inorganic chemical compound, MnO2. It comes in the form of a black powder, or an orthorhombic crystal. It is not soluble in water, weak acid or weak base and cold sulfuric acids. Used as an oxidant and rust remover.


These are some of the properties of MnO2 Pulver


1. pH and Alkalinity. Manganese dioxide is both an acidic and an alkalinous oxide. This is a stable, black powdery liquid at room temperatures that can be used as depolarizers for dry batteries. The laboratory uses its oxidizing ability to make chlorine gas. It acts with concentrated HCl.

2. Manganese dioxide can be described as an amphoteric ore, with corresponding salts such as BaMnO3 / SrMnO3 (obtained through a compound reaction within a molten acidi system [1], also known by the name manganese tetrachloride). .

3. The reaction of a reducing agent with an oxidizer is known as oxidizing. In order to produce manganese oxide (manganese dioxide), heat the manganese to 1400K in a hydrostream. To make brown-black manganese trioxide, heat the manganese to 1400K in an ammonia stream. The manganese to water reaction involves reacting concentrated hydrochloric acid with manganese to create chloride manganese and chlorine.

4. The strong oxidants also have a reduced form. When manganese dioxide is mixed with potassium carbonate or potassium nitrate, it can melt to form a dark brown melt. Once the melt has cooled, you can dissolve it in water to get potassium manganate. It can cause severe oxidation in an acidic environment.

5. This is a powerful oxidant. It does not go out by itself and supports combustion.

6. It acts as a catalyst for the decomposition of potassium chlorate [KClO3] and hydrogen peroxide [H2O2]


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 Mass
86.9279


Manganese Dioxide MnO2 CAS 1313-13-9


Application of MnO2 Pulver


1.Organic Synthesis

In organic chemistry, manganese dioxide can be very helpful. The chemical formula for manganese oxides can be expressed as MnO2x(H2O.n), where x ranges from 0 to 0.75 and n is greater than 0. You can make manganese dioxide by reacting potassium permanganate with manganese sodium sulfate at different pH.

The conversion of alcohols and aldehydes is one chemical reaction that manganese dioxide has. No matter how double-bonded alcohols are, manganese dioxide won’t oxidize them. The product will not again be oxidized, no matter how active it may be. By using manganese dioxide, diols can become dialdehydes. You can use manganese dioxide to react with many other compounds, such as aromatics, trils, or amines.

2.Laboratory use

When hydrogen peroxide decomposes to create oxygen, it’s used as an catalyst. Useful for pigments, yellow glasses, and other purposes. To produce chloride, heat concentrated hydrochloric Acid in hot water. Also react in air with potassium hydroxide to create potassium manganate. Manganese dioxide is used to decompose potassium permanganate.


Main supplier for MnO2 Powder


Advanced Material Tech Co., Ltd. is an expert in this field.


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