Calcium nitrate hydrate is used as a nitrate enriching salt. It is also used as a component in fertilizers, waste water treatment to prevent odor and inset accelerating concrete admixtures. Further, it is used for regenerable cold packs.

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.