Hexadecylbenzene is widely used as an intermediate in the production of surfactants and detergents. Its long alkyl chain makes it effective in reducing surface tension, which is crucial in cleaning products. It is also employed in the synthesis of lubricants and additives, where it enhances the performance and stability of the final product. Additionally, it serves as a raw material in the manufacture of certain polymers and resins, contributing to their flexibility and durability. In the petroleum industry, it is utilized as a component in drilling fluids to improve their efficiency. Its applications extend to the textile industry, where it acts as a softening agent for fabrics.