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Key Documents

755737

Sigma-Aldrich

Tungsten hexacarbonyl

packaged for use in deposition systems

Synonym(s):

Tungsten hexacarbonyl, Hexacarbonyltungsten (0), Tungsten carbonyl, Tungstenhexacarbonyl

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About This Item

Linear Formula:
W(CO)6
CAS Number:
Molecular Weight:
351.90
EC Number:
MDL number:
UNSPSC Code:
12352103
PubChem Substance ID:
NACRES:
NA.23

vapor density

12.1 (vs air)

Quality Level

vapor pressure

1.2 mmHg ( 67 °C)

Assay

99.9% (trace metals analysis)

form

solid

purified by

sublimation

reaction suitability

core: tungsten

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

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Application

Tumgstenhexacarbonyl is a volatile, air stable precursor of Tungsten(0), widely used in ALD and CVD techniques.

Pictograms

Skull and crossbones

Signal Word

Danger

Hazard Statements

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


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