Tungsten Hexachloride

Name:
Tungsten Hexachloride
Detailed information:

M Formula:	WCl6
Properties:
Dark-blue or violet hexagonal crystals, volatile. Mp 275C, bp 347C, d 3.52, vap press 43 mm Hg (215C). Electrical conductivity (fused state) poor. Soluble in organic solvents including ligroin and ethanol; decomposed by moist air and water; reduced by hydrogen to the metal.
Derivation:
Heating tungsten with dry chlorine at red heat.
Hazard:
TLV: 5 mg(W)/m3.
Use:
Tungsten coatings on base metals, vapor deposition for bonding metals, single crystal tungsten wire, additive to tin oxide to produce electrically conducting coating for glass, catalyst for olefin polymers.