Triethylsilane

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Triethylsilane

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Template:Longitem	C6H16Si
Molar mass	116.28 g/mol
Appearance	colorless liquid
Density	0.728 g/mL
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log P	3.08
Vapor pressure	31 hPa at 20 °C 75 hPa at 38 °C 126 hPa at 50 °C
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Triethylsilane is the organosilicon compound with the formula (C₂H₅)₃SiH. It is a trialkylsilane. The Si-H bond is reactive.

It was first discovered by Albert Ladenburg in 1872 among the products of reduction of tetraethyl orthosilicate with sodium and diethylzinc. He also prepared it by a stepwise reduction via ethoxytriethylsilane and named it silicoheptyl hydride, reflecting the idea of a silicon compound analogous to a seven-carbon hydrocarbon.

This colorless liquid is used in organic synthesis as a reducing agent and as a precursor to silyl ethers. As one of the simplest trialkylsilanes that is a liquid at room temperature, triethylsilane is often used in studies of hydrosilylation catalysis.

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