Primarily used as a raw material for tetraethyl lead, ethyl cellulose, and ethyl carbazole dyes. Also employed as an aerosol, refrigerant, local anesthetic, insecticide, ethylating agent, olefin polymerization solvent, and gasoline anti-knock agent. Additionally utilized as a catalyst for polypropylene, and as a solvent for phosphorus, sulfur, fats, resins, waxes, etc. Synthesized for pesticides, dyes, pharmaceuticals, and their intermediates.