Isobutylbenzene is a chemical compound with the molecular formula C<sub>10</sub>H<sub>14</sub>. It is used in chemical synthesis as a fuel and in pharmaceuticals. For instance, it is used to make pain killers like ibuprofen.
Isobutylbenzene is a colorless flammable liquid that is a respiratory irritant.
Industrial production is through catalytic carbometalation: toluene adds to propene in the presence of a sodiumâÂÂpotassium catalyst on activated carbon.