Ethylbenzene is primarily used as an intermediate in the production of styrene, which is a key component in the manufacturing of polystyrene plastics, synthetic rubber, and resins. These materials are widely utilized in packaging, insulation, disposable containers, and automotive parts. Additionally, ethylbenzene is employed as a solvent in the coatings and paint industries, where it helps dissolve and carry other substances to create uniform finishes. It also finds use in the production of other chemicals, such as acetophenone and ethyl anthraquinone, which are important in various industrial processes. Due to its volatility, ethylbenzene is sometimes used in fuel blends to improve combustion efficiency. However, its handling requires careful management due to potential health and environmental risks.