Dichlorosilane, with the chemical formula H2SiCl2, is a colorless, highly volatile, and flammable liquid at room temperature. It is an intermediate compound in the production of high-purity silicon and is widely used in the semiconductor and solar panel industries. Here are some characteristics of dichlorosilane:
Physical Properties:
Appearance: Colorless liquid.
Boiling Point: Around 8.3 °C (47 °F).
Melting Point: -111.2 °C (-168.2 °F).
Density: Approximately 1.36 g/cm³.
Solubility in Water: Reacts with water.
Chemical Properties:
Reactivity: Dichlorosilane is highly reactive, particularly with water, which it reacts with vigorously to produce hydrogen chloride and silicon dioxide.
Decomposition: It decomposes when exposed to high temperatures or strong oxidizers.
Handling and Storage:
Toxicity: Dichlorosilane is toxic by inhalation, ingestion, and skin contact.
Hazards: It is flammable and releases toxic fumes of hydrogen chloride when heated to decomposition or in a fire.
Storage: Should be kept in a cool, dry, and well-ventilated area, away from incompatible substances, heat sources, and ignition sources.
Uses:
Semiconductor Industry: Dichlorosilane is used in the production of high-purity silicon for semiconductors through processes like chemical vapor deposition (CVD).
Solar Panels: It is also used in the manufacture of solar panels, contributing to the formation of polycrystalline silicon wafers.
Chemical Synthesis: It serves as a starting material for the synthesis of other silane compounds.
Suppliers of Dichlorosilane:
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