2C + SiO2 -> 2CO + Si
Si + 2Cl2 -> SiCl4 [Prepared by the action of chlorine on hot silicon]
Si + 4HCl -> SiCl4 + 2H2
General
Synonyms: silicon chloride, tetrachlorosilane, silicon (IV) chloride
Molecular formula: SiCl4
CAS No: 10026-04-7
Physical data
Appearance: colourless or light yellow fuming liquid
Melting point: -70 C
Boiling point: 58 C
Vapour density:
Vapour pressure: 194 mm Hg at 20 C
Density (g cm-3): 1.48
Flash point:
Explosion limits:
Autoignition temperature:
Water solubility: decomposes
Stability
Moisture sensitive - reacts violently with water. Incompatible with water, acids, bases, alcohols, alkali metals, organics, powdered metals.
Toxicology
Corrosive - may cause burns. Harmful if swallowed or inhaled. Stench. Respiratory, skin and eye irritant.
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