Triethyl borate
（重定向自Ethyl borate）
Triethyl borate, also called boron triethoxide or boric acid, triethyl ester, is a colorless, flammable liquid with the formula B(C2H5O)3. It is an ester of boric acid and ethanol.
It melts at −85 °C and boils at 118 °C. It is flammable, with flash point at 11 °C.