N,N-Dimethyldecylamine is widely used as a key intermediate in the synthesis of quaternary ammonium compounds, which are essential in the production of fabric softeners, surfactants, and disinfectants. Its application extends to the formulation of biocides, where it acts as an effective agent against microorganisms in industrial water treatment and cleaning products. Additionally, it serves as a corrosion inhibitor in oil and gas industries, protecting metal surfaces from degradation. The compound is also utilized in the preparation of emulsifiers and foam stabilizers, enhancing the performance of personal care products like shampoos and conditioners. Furthermore, in the agricultural sector, it is employed in the production of dispersing agents for fertilizers and pesticides, improving plant absorption efficiency. Its versatility makes it valuable in various industrial and consumer applications.