What is triethylborane?

Triethylborane, also known as triethylboron, is a chemical compound with the formula C6H15B. It is a pyrophoric liquid that is highly reactive and flammable. Triethylborane is used as a catalyst in various organic reactions, such as polymerization and olefin oxidation. It is also used in the production of semiconductors and as a fuel in some types of high-performance engines. Triethylborane is considered to be highly toxic and should be handled with extreme caution.