4-Ethyltoluene丨CAS 622-96-8

4-Ethyltoluene is an aromatic hydrocarbon widely used as an intermediate and solvent in the chemical, petrochemical, and polymer industries. It serves as a key raw material for the production of para-ethylbenzoic acid and para-ethylbenzaldehyde, which are important intermediates in the synthesis of fragrances, resins, and specialty chemicals. In the polymer industry, 4-ethyltoluene is used in the manufacture of styrene and ethylbenzene derivatives, contributing to the production of high-performance plastics and resins such as polystyrene and ABS (acrylonitrile butadiene styrene). Its solvent properties also make it suitable for coatings, adhesives, and cleaning formulations where aromatic hydrocarbons are required. In research, it functions as a reference compound for studying alkylbenzene reactivity, catalytic alkylation, and oxidation processes.

The compound offers several benefits owing to its stable aromatic structure and balanced volatility. It provides strong solvency for organic and polymeric substances, ensuring efficient dissolution and uniform formulation in coatings and resins. Its controlled boiling point and chemical inertness make it suitable for industrial processing under a wide range of conditions. Additionally, 4-ethyltoluene serves as a valuable feedstock for producing high-purity derivatives with applications in advanced materials, additives, and performance chemicals. Its low reactivity under normal storage and handling conditions also enhances safety and process reliability in large-scale manufacturing.