City Chemical manufactures high purity Silicon Tetrabromide SiBr4, CAS 7789-66-4 in bulk quantity. Silicon Tetrabromide is used to grow thin films of silicon by the chemical vapor deposition method. Pyrolysis of Silicon Tetrabromide followed by treatment with ammonia yields silicon nitride coatings, a hard compound used for ceramics, sealants and the production of many cutting tools. SiBr4 is also used in the production of semiconductor chips.
It is a colorless liquid that turns yellow in air and has a disagreeable odor. SiBr4 is moisture sensitive, produced and packaged under Argon.