Synthesis
Silicon tetrabromide is synthesized by the reaction of silicon with hydrogen bromide at 600 °C.
- Si + 4 HBr → SiBr4 + 2 H2
Side products include dibromosilane (SiH2Br2) and tribromosilane (SiHBr3).
- Si + 2 HBr → SiH2Br2
- Si + 3 HBr → SiHBr3 + H2
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