Silicon(IV) chloride is used as an intermediate in the manufacture of polysilicon. It is also used in the semiconductors industry, photovoltaic cells and in the production of optical fibers. Its derivatives like trichlorosilane and silane are used in the Siemens process.

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.