TUNGSTEN TETRACHLORIDE
Synonym(s):Tungsten tetrachloride
- CAS NO.：13470-13-8
- Empirical Formula: Cl4W
- Molecular Weight: 325.65
- MDL number: MFCD00012027
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-01-13 11:27:01
What is TUNGSTEN TETRACHLORIDE?
Description
Tungsten(IV) chloride, WCl4, is a black diamagnetic solid with a polymeric structure. It contains linear chains of
tungsten atoms each in octahedral geometry. Of the six chloride ligands linked to each W center, four are bridging
ligands. The W- W separations are alternatingly bonding (2.688 A? ) and nonbonding (3.787 A? ). WCl4 is typically produced by reducing WCl6. Many reductants have been reported, including red phosphorus, tungsten hexacarbonyl, gallium, tin, and antimony. The latter is reported to be optimal.
3WCl6+2Sb→3WCl4 +2SbCl3
Chemical properties
gray powder(s); sensitive to moisture; decomposes if heated; diamagnetic; obtained by reduction of WCl6 with Al [KIR83] [STR93]
The Uses of TUNGSTEN TETRACHLORIDE
The product may be used as one of the precursor reactant for the preparation of highly conductive tungsten diselenide nanosheets.
What are the applications of Application
Tungsten(IV) chloride is used in the synthesis of triply bonded ditungsten phosphine complexes
Properties of TUNGSTEN TETRACHLORIDE
| Melting point: | decomposes [CRC10] |
| Boiling point: | 338.99°C (estimate) |
| Density | 4,624 g/cm3 |
| solubility | reacts with H2O |
| form | Powder |
| color | gray |
| Specific Gravity | 4.624 |
| Sensitive | moisture sensitive |
Safety information for TUNGSTEN TETRACHLORIDE
| Signal word | Danger |
| Pictogram(s) |
 Corrosion Corrosives GHS05 |
| GHS Hazard Statements |
H314:Skin corrosion/irritation |
| Precautionary Statement Codes |
P260:Do not breathe dust/fume/gas/mist/vapours/spray. P280:Wear protective gloves/protective clothing/eye protection/face protection. P363:Wash contaminated clothing before reuse. P303+P361+P353:IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
Computed Descriptors for TUNGSTEN TETRACHLORIDE
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