TUNGSTEN(VI) OXYCHLORIDE Chemical Properties

Melting point:

211 °C(lit.)

Boiling point:

337°C

Density 

11.920

solubility 

reacts with H2O; soluble in benzene, CS 2

form 

red hygroscopic crystals

color 

red hygroscopic crystals, crystalline

Water Solubility 

decomposed by H2O; soluble CS2, benzene [KIR83] [HAW93]

Sensitive 

air sensitive, moisture sensitive

Safety Information

Hazard Codes 

Xi,C

Risk Statements 

36/37/38-34

Safety Statements 

26-37/39-45-36/37/39

RIDADR 

3262

WGK Germany 

3

F 

1-10

HazardClass 

8

PackingGroup 

III

MSDS

• Language:English Provider:SigmaAldrich

TUNGSTEN(VI) OXYCHLORIDE Usage And Synthesis

Description

Tungsten(VI) oxytetrachloride, WOCl4, is a diamagnetic solid used to prepare other tungsten complexes. The orange-colored compound is soluble in nonpolar solvents, while it reacts with alcohols and water and forms adducts with Lewis bases.

Chemical 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.

Uses

Incandescent lamps.

Preparation

It consists of weakly associated square pyramidal monomers. WOCl4 is formed from WO3 or WCl6.
WO3 + 2SOCl2→WOCl4+2SO2
WCl6 + (Me3Si )2O→WOCl4+ 2Me3SiCl

Hazard

Irritant.

TUNGSTEN(VI) OXYCHLORIDE(13520-78-0)Related Product Information

• TUNGSTEN DICHLORIDE DIOXIDE
• Tungsten hexacarbonyl
• Phosphotungstic acid hydrate
• AMMONIUM TETRATHIOTUNGSTATE
• Bis(acetonitrile)tetracarbonyltungsten(0)
• TUNGSTEN(VI) CHLORIDE
• TUNGSTEN (IV) OXIDE
• TUNGSTEN BORIDE
• Tungsten carbide
• Tungsten(IV) oxide
• Tungstic acid
• Tungsten trioxide
• BIS(CYCLOPENTADIENYL)TUNGSTEN DICHLORIDE
• BIS(TERT-BUTYLIMINO)BIS(DIMETHYLAMINO)&
• TRICARBONYLMESITYLENETUNGSTEN
• TUNGSTEN (V) BROMIDE
• TUNGSTATE
• TUNGSTEN CARBIDE WITH COBALT BINDER