It is used as a source of manganese in biological research, in the production of dry cell batteries, and precursor to the antiknock compound. It is used in industrial applications such as dyeing disinfecting, the purification of natural gas, and as a drying agent for linseed oil. It is used in pigment manufacturing, fertilizers and in construction materials and also used in aluminum smelting.

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.