Diethylaluminium chloride
![Ball-and-stick model of the diethylaluminium chloride molecule](/Images/godic/202501/09/Diethylaluminium_chloride_3D_ball1749.png")
Diethylaluminium chloride is a highly hazardous organic compound and Lewis acid with the chemical formula C4H10AlCl. When dissolved in hexane, diethylaluminum chloride is a colorless liquid. It is used for polyolefin catalysis and as an intermediate in the preparation of organometallic compounds. It has a vapor density of 4.2 (air=1).