n-Butyl disulfide is primarily used in the synthesis of organic compounds, particularly in the production of sulfur-containing chemicals. It serves as a key intermediate in the manufacture of rubber additives, where it enhances the properties of vulcanized rubber, improving its durability and elasticity. Additionally, it is employed in the formulation of lubricant additives, contributing to the reduction of friction and wear in mechanical systems. In the field of agrochemicals, n-butyl disulfide is utilized in the development of pesticides and herbicides, aiding in the protection of crops from pests and weeds. Its application extends to the flavor and fragrance industry, where it is used to create specific aroma profiles in various products. Furthermore, it plays a role in research and development as a reagent in chemical reactions, facilitating the study of sulfur-based compounds and their interactions.