It is used medicinally as a calcium supplement or as an antacid. It is also used for industrial purposes. Calcium carbonate is the most widely used mineral in the paper, plastics, paints and coatings industries. Hierarchical hollow calcium carbonate particles shows an useful application as anticancer drug carrier. It plays an essential role to catalyze alcoholysis of fats and oils.

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.