Vinylsilane refers to an organosilicon compound with chemical formula CH2=CHSiH3.

The compound, which is a colorless gas, is mainly of theoretical interest.

[1] More commonly used than the parent vinylsilane are vinyl-substituted silanes with other substituents on silicon.

[2] In the area of polymer chemistry and materials science, vinyltrimethoxysilane or vinyltriethoxysilane serve as monomers and coupling agents.

They can be made by the reaction of alkenyl lithium and Grignard reagents with chlorosilanes.