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SiCl4 (Silicon Tetrachloride)
- Product Description
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- Commodity name: SiCl4 (Silicon Tetrachloride)
High-Purity Silicon Production: SiCl4 is a key intermediate in the production of polysilicon, a highly pure form of silicon used in semiconductors and solar cells. The purification process often involves converting SiCl4 to trichlorosilane (HSiCl3) and then to silane (SiH4), which are then used in chemical vapor deposition to create silicon layers.
Chemical Name:SiCl4 (Silicon Tetrachloride)
Shape:Colorless liquid (volatile, fumes in moist air)
Components:silicon tetrachloride or tetrachlorosilane
Other names:Tetrachlorosilane, Perchlorosilane
Molecular Formula: SiCl₄
Molecular Weight: 169.90
CAS Number: 10026-04-7
Application:
High-Purity Silicon Production: SiCl4 is a key intermediate in the production of polysilicon, a highly pure form of silicon used in semiconductors and solar cells. The purification process often involves converting SiCl4 to trichlorosilane (HSiCl3) and then to silane (SiH4), which are then used in chemical vapor deposition to create silicon layers.
Epitaxial Silicon Deposition: Ultrapure SiCl4 is used as a precursor for the deposition of the first layer of crystalline silicon in semiconductor manufacturing through epitaxy.
Pyrogenic Silica Production: SiCl4 is used in the large-scale production of pyrogenic silica, a finely divided form of silica with a high surface area.
Silicic Acid Esters: It serves as a starting material for the synthesis of various silicic acid esters and their hydrolysates.
Zeolite Dealumination: SiCl4 can be used to remove aluminum from zeolites, altering their properties.
Coupling Agent: It can act as a coupling agent in the synthesis of amides from carboxylic acids and amines.
Nanomaterial Synthesis: SiCl4 is also used in the synthesis of various nanomaterials, including nano silica.
Optical Fibers: High-purity SiCl4 is essential for the production of optical fibers, enabling high-speed data transmission.
Cross- and End-Linking of Polymers: In the anionic polymerization of styrene-butadiene-rubber (SBR), SiCl4 is used to cross-link and end-link polymer chains. In the anionic polymerization of styrene-butadiene-rubber (SBR), SiCl4 is used to cross-link and end-link polymer chains.
Packing:
stainless-steel containers (Packed in drums or cylinders (anhydrous conditions))
Storage:
Keep in a cool, dry, well-ventilated area
Avoid moisture (hydrolyzes violently with water)
Store away from bases, oxidizers, and heat sources
Keywords： SiCl4 (Silicon Tetrachloride)
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