Vinylsilane, also called vinyl silane or ethenyl silane, is an organic chemical with chemical formula C2H6Si, or CH2=CH-SiH3. It is a derivative of silane.

Vinyl silane is used as coupling agent, adhesion promoters, crosslinking agent.
Vinyl silane is used for sulfur and peroxide cured rubber, polyester, polyolefins, styrenics, and acrylics etc.
Vinyl silane is used to copolymerize with ethylene for moisture induced coupling of polyethylene.
Vinyl silane is used to graft to polyethylene for moisture induced coupling.
Vinyl silane is used for surface treatment of mineral fillers in plastics.