Methylcyclopentyldimethoxysilane (MCDMOS,Donor-MC)

Methylcyclopentyldimethoxysilane is an organosilicon compound with the chemical formula C9H20O2Si. It is a clear and colorless liquid that is soluble in organic solvents such as ethanol, acetone, and toluene.

Methylcyclopentyldimethoxysilane is known for its ability to act as a coupling agent between organic and inorganic materials. This is due to its unique structure, which contains both a cyclopentyl ring, a methyl group, and two methoxy groups attached to a silicon atom. The cyclopentyl group provides hydrophobic properties, while the methoxy groups can react with surfaces containing hydroxyl groups, forming stable covalent bonds.

As a result of these properties, Methylcyclopentyldimethoxysilane is often used as an adhesion promoter and surface modifier in applications such as coatings, adhesives, and sealants. It can also be used as a crosslinking agent in the preparation of silicone-containing polymers. Additionally, Methylcyclopentyldimethoxysilane can be used as a precursor for chemical vapor deposition (CVD) processes, which are used to deposit thin films of silicon-containing materials onto a substrate.