Sodium iodide commonly is used to prevent iodine deficiency. Used as analytical reagents, in the manufacture of disinfectants, antiseptics, deodorants and medicines. They are used in baking ingredient conditioner and as animal feed. It is used for conversion of alkyl chlorides into alkyl iodides, such as in the treatment of thyroid cancer and hyperthyroidism and in scintillation detectors, traditionally in nuclear medicine, geophysics, nuclear physics, and environmental measurements.

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.