Calcium bromide is a dehydrating agent used in photography, food preservatives, wood preservatives, fire retardants and freezing mixtures. It is used as an oxidizer for mercury emissions control. It is widely used for the preparation of drilling fluids, completion fluids and drilling muds formulations. It also finds application in the manufacture of mineral water.

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.