Diethylaluminum chloride is used as a catalyst in thermoplastic polymers and as a reactant in the preparation of aluminum-phosphorus compounds. It is used in Ziegler-Natta polymerization process for vinyl, olefin, diene polymerizations, linear oligomerization and cyclization of unsaturated hydrocarbon. Further, it serves as an intermediate for organometallic compounds. In addition to this, it acts as an alkylation catalyst and Lewis-acid catalyst in Diels-Alder reactions.
