The Chemical Formula For Manganese Dioxide: Everything You Need To Know

Manganese Dioxide Balanced Reaction Manganese Dioxide Wikipedia / 1


Manganese dioxide is a chemical compound that is widely used in various industries, including the production of batteries, ceramics, glass, and steel. It is a dark brown to black powder that is insoluble in water and other common solvents. In this article, we will discuss the chemical formula for manganese dioxide, its properties, and its uses.

What is the Chemical Formula for Manganese Dioxide?

The chemical formula for manganese dioxide is MnO2. It is composed of one manganese atom and two oxygen atoms. The molecular weight of manganese dioxide is 86.94 g/mol. It is a stable compound that is resistant to heat and light.

Properties of Manganese Dioxide

Manganese dioxide has several important properties that make it useful in various applications. It has a high melting point of 535 degrees Celsius and a boiling point of 645 degrees Celsius. It is also a good conductor of electricity and has a high specific gravity of 5.026 g/cm3.

Physical Properties

In its pure form, manganese dioxide is a dark brown to black powder. It has a crystalline structure and is insoluble in water and most organic solvents. Manganese dioxide is also non-toxic and non-flammable.

Chemical Properties

Manganese dioxide is an oxidizing agent and can react with various substances, including acids, alkalis, and other metal oxides. It can also be reduced to manganese oxide or metallic manganese by heating it with carbon or other reducing agents.

Uses of Manganese Dioxide

Manganese dioxide has several important uses in various industries. Some of its applications include:

Battery Production

Manganese dioxide is a key component in the production of alkaline batteries. It is used as the cathode material in these batteries and helps to convert chemical energy into electrical energy.

Ceramics and Glass

Manganese dioxide is also used in the production of ceramics and glass. It is added to these materials to give them a brown or black color.

Steel Production

Manganese dioxide is used as a deoxidizing agent in the production of steel. It helps to remove impurities from the molten steel and improves its quality.

Water Treatment

Manganese dioxide is also used in water treatment to remove impurities and improve water quality. It can be used to remove iron, manganese, and other contaminants from drinking water.


In conclusion, manganese dioxide is a useful chemical compound that has a wide range of applications in various industries. Its chemical formula is MnO2, and it has several important properties that make it useful in these applications. Whether you are working in the battery, ceramics, glass, or steel industry, understanding the properties and uses of manganese dioxide is essential for success.