C2H52Pb
C2H52Pb is the chemical formula for tetraethyllead, often abbreviated as TEL. It is an organolead compound that was historically used as a gasoline additive. Its primary function was to increase the octane rating of gasoline, preventing engine knocking and allowing for higher compression ratios. This improved engine performance and efficiency.
Tetraethyllead was first synthesized in 1921 by Thomas Midgley Jr. and Charles Kettering. Its widespread adoption
Due to these environmental and health risks, many countries began phasing out leaded gasoline in the late