Characteristic

Silicon tetraiodide is the chemical compound with the formula SiI₄. It is a tetrahedral molecule with Si-I bond lengths of 2.432(5) Å.

Chemical formula：SiI₄

Molar mass：535.7034 g/mol

Appearance：white powder

Density：4.198 g/cm³

Melting point：120.5 °C (248.9 °F; 393.6 K)

Boiling point：287.4 °C (549.3 °F; 560.5 K)

Solubility in water：reacts

Solubility in organic：solvents soluble

Molecular shape：tetrahedral

Application

SiI₄ is a precursor to silicon amides of the formula Si(NR₂)₄ (R = alkyl). It has also been of interest in the manufacture and etching of silicon in microelectronics.