472956

Tungsten hexacarbonyl

99.99% trace metals basis (excluding Mo), purified by sublimation

• Synonym(s): Hexacarbonyltungsten, Tungsten carbonyl, Tungsten hexacarbonyl
• Linear Formula: W(CO)₆
• CAS Number: 14040-11-0
• Molecular Weight: 351.90
• EC Number: 237-880-2
• MDL number: MFCD00011462
• UNSPSC Code: 12352103
• PubChem Substance ID: 24870851
• NACRES: NA.23

Properties

• vapor density: 12.1 (vs air)
• Quality Level: 200
• vapor pressure: 1.2 mmHg ( 67 °C)
• Assay: 99.99% trace metals basis (excluding Mo)
• form: solid
• purified by: sublimation
• reaction suitability: core: tungsten; reagent type: catalyst
• mp: 150 °C (lit.)
• density: 2.65 g/mL at 25 °C (lit.)
• SMILES string: [W].[C-]#[O+].[C-]#[O+].[C-]#[O+].[C-]#[O+].[C-]#[O+].[C-]#[O+]
• InChI: 1S/6CO.W/c6*1-2;
• InChI key: FQNHWXHRAUXLFU-UHFFFAOYSA-N

Description

General description

Atomic number of base material: 74 Tungsten

Application

A precursor for the perparation of tungsten-containing complexes or nanomaterials. Also used in photochemistry

Catalyst used in the photochemical cyclization of silyloxytrienes via either a 6-endo pathway or a Cope rearrangement.

Safety Information

• Pictograms: GHS06
• Signal Word: Danger
• Hazard Statements: H301 + H311 + H331
• Precautionary Statements: P261 - P264 - P280 - P301 + P310 - P302 + P352 + P312 - P304 + P340 + P311
• Hazard Classifications: Acute Tox. 3 Dermal - Acute Tox. 3 Inhalation - Acute Tox. 3 Oral
• Storage Class Code: 6.1D - Non-combustible acute toxic Cat.3 / toxic hazardous materials or hazardous materials causing chronic effects
• WGK: WGK 3
• Flash Point(F): Not applicable
• Flash Point(C): Not applicable
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves