Sodium cyclopropanesulfinate is primarily used in organic synthesis as a versatile reagent. It is particularly valuable in the preparation of cyclopropane derivatives, which are important intermediates in the synthesis of pharmaceuticals and agrochemicals. The compound is also employed in the development of sulfinate-based ligands for catalysis, enhancing the efficiency of various chemical reactions. Additionally, it finds application in the creation of novel materials with specific electronic or structural properties, contributing to advancements in material science. Its role in facilitating cross-coupling reactions further underscores its importance in modern synthetic chemistry.