Sodium 2-naphthalenesulfonate is widely used as a dispersing agent in various industrial applications. It plays a crucial role in the textile industry, where it helps in the even distribution of dyes, ensuring consistent coloration of fabrics. In the construction sector, it is added to concrete mixtures to improve the workability and reduce water content, enhancing the strength and durability of the final product. Additionally, it is employed in the production of pesticides and herbicides, where it aids in the uniform spreading of active ingredients on crops. Its surfactant properties also make it valuable in detergents and cleaning agents, where it helps in breaking down and removing dirt and grease effectively.