Potassium heptadecanoate is primarily used in the production of soaps and detergents due to its surfactant properties. It helps in reducing surface tension, making it effective in cleaning applications. This compound is also utilized in the formulation of personal care products like shampoos and body washes, where it acts as an emulsifying agent to blend oil and water components. In industrial settings, it serves as a stabilizer in the manufacture of lubricants and coatings, enhancing their performance and durability. Additionally, it finds application in research laboratories as a reagent for studying fatty acid behavior and interactions in various chemical processes.