ri- resyl hosphate which is the name as well as the active ingredient in ALCOR'S TCP Fuel Treatment. The purpose of using TCP is to scavenging Tetryl Ethyl Lead from the valves, spark plugs, and combustion chambers of low compression aviation engines using 100LL aviation gasoline.
tri-cresyl phosphate, an anti-wear additive in aviation lubricants (and not the well-known antiseptic, tri-chloro phenol)
TCP is a mild antiseptic, produced and sold in the United Kingdom by Pfizer. The brand name comes from its chemical name, which is trichlorophenol. The liquid form of TCP is one of the most well-known brands of antiseptic in the UK, and its distinctive sweet, medicinal odour can be identified by many as the generic smell of antiseptic.