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China and Germany are the leading exporters of silicon tetrachloride, accounting for the largest shares of global shipments, while the United States, South Korea, and Japan represent the top importing countries. These markets collectively dominate trade flows, reflecting concentrated supply chains tied to semiconductor and solar-grade silicon production. Imports by South Korea and Japan have shown steady growth over the past three years, coinciding with rising silicon tetrachloride prices amid tightening supply from key Chinese producers.
Silicon tetrachloride is a colorless, fuming liquid with a pungent, acrid odor and high volatility; it has a boiling point of 57.6 °C and a melting point of −68 °C. It is an inorganic chloride compound and a key silicon-based intermediate. Its primary industrial use is in the production of high-purity silicon for semiconductors and solar-grade polysilicon via reduction with hydrogen, as well as in the synthesis of silicones and silica-based materials. It serves as a precursor in the manufacture of optical fibers, smoke screens, and titanium dioxide pigments. Typical application areas include electronics, photovoltaics, specialty glasses, and advanced ceramics.
Silicon tetrachloride was first prepared by Berzelius in 1823. It is used widely in preparing pure silicon and many organosilicon compounds such as silicone. It also is used to produce smoke screens in warfare.
Clear colorless liquid
This chemical is included in Basic Chemicals. See more about what is Silicon Tetrachloride and Silicon Tetrachloride SDS information.
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