Sodium perrhenate is primarily used in the field of catalysis, where it serves as a precursor for the synthesis of rhenium-based catalysts. These catalysts are essential in various industrial processes, including petroleum refining, where they facilitate the reforming and cracking of hydrocarbons to produce high-octane fuels.

In addition to its role in catalysis, sodium perrhenate is utilized in the production of superalloys, which are critical in aerospace and turbine engine applications due to their ability to withstand extreme temperatures and mechanical stress. The compound provides a source of rhenium, which enhances the strength and thermal stability of these alloys.

Furthermore, sodium perrhenate finds application in radiopharmaceuticals, particularly in the development of radioactive isotopes used in medical imaging and cancer treatment. Its high purity ensures the effectiveness and safety of these medical applications.

In research and development, sodium perrhenate is employed in the study of rhenium chemistry and the exploration of new materials with potential applications in electronics, energy storage, and advanced manufacturing. Its consistent quality and high metal basis make it a reliable choice for precise experimental work.