Sodium 2,4,5-trichlorobenzenesulfonate is primarily used as an intermediate in the synthesis of various chemical compounds, particularly in the production of dyes and pigments. Its sulfonate group makes it a valuable component in the formulation of surfactants and detergents, where it helps improve solubility and dispersion in aqueous solutions. Additionally, it finds application in the textile industry as a leveling agent during dyeing processes, ensuring even color distribution on fabrics. In agriculture, it is sometimes utilized as a precursor in the development of herbicides, leveraging its chlorinated structure for effective weed control. Its chemical properties also make it suitable for use in research and development of new materials, particularly in studies involving sulfonation reactions and organic synthesis.