Drierite™, indicating (CaSO{4}) is used as a desiccant. It is used as a drying agent utilized for the efficient and rapid drying of air, industrial gases, refrigerants, organic liquids and solids. Further, it is used to maintain a dry atmosphere in storage spaces, vaults, commercial packages, and other enclosures. In addition to this, it is involved in the protection of hygroscopic materials.

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.