Tungsten Oxychloride

Name:
Tungsten Oxychloride
Detailed information:

M Formula:	WOCl4
Properties:
Dark-red, acicular crystals. Decomposed by water and moist air. Keep in sealed glass container. Bp 227.5C, mp 211C, d 11.92. Soluble in carbon disulfide.
Derivation:
By the action of chlorine on tungsten or tungstic oxide at elevated temperatures.
Method of Purification:
Vacuum distillation.
Grade:
Technical.
Hazard:
Irritant. TLV: 1 mg(W)/m3.
Use:
Incandescent lamps.