Tridodecylmethylammonium chloride is widely used as a phase transfer catalyst in organic synthesis, facilitating reactions between substances in different phases, such as aqueous and organic layers. It is also employed in the formulation of biocides and disinfectants due to its antimicrobial properties, effectively targeting bacteria, fungi, and algae. In the textile industry, it serves as a softening agent and antistatic agent, improving fabric quality. Additionally, it is utilized in the petroleum industry as a corrosion inhibitor, protecting metal surfaces from degradation. Its ability to stabilize emulsions makes it valuable in the production of coatings, adhesives, and other industrial products.