Hexadecanenitrile is primarily used in the synthesis of surfactants and lubricants due to its long hydrocarbon chain. It serves as a key intermediate in the production of fatty amines, which are essential components in fabric softeners, corrosion inhibitors, and emulsifiers. In the agrochemical industry, it is utilized in the formulation of pesticides and herbicides. Additionally, it finds application in the manufacturing of quaternary ammonium compounds, which are widely used in disinfectants and sanitizers. Its chemical properties also make it suitable for use in organic synthesis and as a precursor for specialty chemicals in various industrial processes.