Triethyl borate is a chemical compound with the formula B(OEt)3. It is a colorless, flammable liquid that is commonly used as a reagent in organic synthesis and as a precursor for boron-containing compounds. Its structure consists of a boron atom bonded to three ethyl groups, making it a trialkyl borate. This compound is often utilized in the production of boron oxide and as a catalyst in various chemical reactions. Additionally, triethyl borate can be used in the manufacture of glass and ceramics, where it helps improve the properties of the final products.