Triethylsilane is the organosilicon compound with the formula (C2H5)3SiH. It is a trialkylsilicon hydride compound. The Si-H bond is highly reactive. This colorless liquid is used in organic synthesis as a reducing agent and as a precursor to silyl ethers. Triethylsilane is the organosilicon compound with the formula (C2H5)3SiH. It is a trialkylsilicon hydride compound. The Si-H bond is highly reactive. This colorless liquid is used in organic synthesis as a reducing agent and as a precursor to silyl ethers.