Didodecyl hydrogen phosphate is widely used as an effective surfactant and emulsifier in various industrial applications. It plays a critical role in stabilizing emulsions, particularly in the formulation of lubricants and metalworking fluids, where it helps reduce friction and wear. In the field of coatings and paints, it is utilized to improve dispersion and adhesion properties, ensuring a uniform and durable finish. Additionally, it serves as a key component in the production of detergents and cleaning agents, enhancing their ability to remove grease and dirt efficiently. In the pharmaceutical industry, it is employed as an excipient in drug delivery systems to improve solubility and bioavailability of active ingredients. Its versatility also extends to the agricultural sector, where it is used in pesticide formulations to enhance the spreading and sticking of active compounds on plant surfaces.