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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:
14040-11-0
Molecular Weight:
351.90
EC Number:
237-880-2
MDL number:
MFCD00011462
UNSPSC Code:
12352103
PubChem Substance ID:
329766135
NACRES:
NA.23

vapor density

12.1 (vs air)

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
GHS06

Signal Word

Danger

Hazard Statements

H301 + H311 + H331

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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Certificates of Analysis (COA)

Lot/Batch Number
0000323525
0000317187
0000317187
0000323525
0000095296

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Mulders, J. J. L.; Belova, L. M.; Riazanova, A.
Nanotechnology, 22, 055302/1-055302/1 (2011)
Maruyama, T., Arai, S.
Journal of the Electrochemical Society, 4, 1021-1021 (1994)
Keisha-Gay Hylton et al.
The Journal of organic chemistry, 68(4), 1615-1617 (2003-02-15)
W(CO)(6)-catalyzed carbonylation provides an alternative to phosgene or phosgene derivatives such as 1,1-carbonyldiimidazole (CDI) for the conversion of amines to ureas. As an illustration, the core structure of the HIV protease inhibitors DMP 323 and DMP 450 has been prepared
Camille Cau et al.
Ultrasonics sonochemistry, 19(3), 498-502 (2011-11-08)
The present work analyses the mechanism of W(2)C/C nanocomposite formation during sonolysis of W(CO)(6) in diphenylmethane (DPhM) solutions. Carbon supported WC(x) nanoparticles attract much interest as an alternative fuel cell electrocatalysts. Sonolysis of neat DPhM under the effect of 20
S Martin et al.
The Journal of chemical physics, 134(3), 034304-034304 (2011-01-26)
We have studied the excitation and dissociation processes of the molecule W(CO)(6) in collisions with low kinetic energy (3 keV) protons, monocharged fluorine, and chlorine ions using double charge transfer spectroscopy. By analyzing the kinetic energy loss of the projectile
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