Chemical compound known to be a strong oxidising agent.

At room temperature, it takes the form of a colourless liquid with a bitter taste. It has many applications; at low concentrations (3% - 9%) it is found in a large number of household products for medicinal uses, such as in bleaches for fabrics and hair.

In industry, it is used at higher concentrations to whiten fabrics and paper pulp, and to manufacture rubber foam and organic chemical substances. In other areas such as research, it is used to measure the activity of certain enzymes, such as catalase.

Refractive material refractari used in the building industry to make cement and as an insulation element in industrial cables. Also used in the pharmaceutical industry to make antiacids, magnesium supplements and laxatives.