China, Norway, and Brazil are the leading exporters of silicon (CAS 7440-21-3), collectively accounting for over 60% of global exports in 2023–2024, while the United States, Germany, and South Korea remain the largest importers, driven by demand from semiconductor, solar, and alloy manufacturing sectors. Global silicon trade volumes have remained relatively stable since 2022, though regional shifts—such as increased U.S. imports amid domestic semiconductor incentives and modest declines in EU silicon imports—coincide with recent volatility in silicon prices.
Silicon is a hard, brittle, blue-gray solid with a metallic luster and no odor; it has a high melting point of 1414 °C and a boiling point of 3265 °C. It is a metalloid element and the second most abundant element in the Earth’s crust, typically isolated in crystalline or amorphous forms. Silicon serves as a foundational raw material in the production of silicones, silanes, silicates, and semiconductor-grade wafers. Its primary industrial applications include electronics (integrated circuits, photovoltaic cells), construction (silicone sealants, adhesives, and waterproofing agents), and specialty polymers (e.g., silicone rubbers, resins, and fluids). It is also used in aluminum alloying and as a reducing agent in metallurgical processes.
Elemental silicon has some of the most important applications in this electronic age. One of the major applications is in computer chips. The single crystals of crystalline silicon are used for solid-state or semiconductor devices. Silicon of hyperpurity, doped with trace elements, such as boron, phosphorus, arsenic, and gallium is one of the best semiconductors. They are used in transistors, power rectifiers, diodes and solar cells. Silicon rectifiers are most efficient in converting a-c to d-c electricity. Hydrogenated amorphous silicon converts solar energy into electricity.
grey lustrous solid or grey powder
This chemical is included in Basic Chemicals. See more about what is Silicon and Silicon SDS information.
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