Manganese Dioxide belongs to the class of inorganic compounds having a brownish to black colored appearance with a density of 5.026 grams per cubic centimeters. The chemical formula of this compound is MnO2 with an average molar mass of 86.937 grams per mol. It is widely used in the production of batteries, household cleaning products, toners for laser printers, and many more. Manganese Dioxide is irritant in nature and can cause serious damages if swallowed.