Nonyl 2-(trimethylazaniumyl)ethyl phosphate is primarily used as a surfactant in various industrial and commercial applications. Its unique structure allows it to effectively reduce surface tension, making it valuable in the formulation of detergents, emulsifiers, and dispersants. In the cleaning industry, it is often incorporated into household and industrial cleaning products to enhance the removal of dirt, grease, and oils from surfaces. Additionally, it finds use in personal care products, such as shampoos and body washes, where it helps to stabilize formulations and improve their cleansing properties. In agricultural applications, it is utilized as an adjuvant in pesticide formulations to improve the spreading and adherence of active ingredients on plant surfaces. Its amphiphilic nature also makes it suitable for use in oil recovery processes, where it aids in the separation of oil from water. Overall, its versatility and effectiveness make it a key component in a wide range of products and processes.