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Merck
CN

755737

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
NACRES:
NA.23
PubChem Substance ID:
UNSPSC Code:
12352103
EC Number:
237-880-2
MDL number:
Technical Service
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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

Application

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


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pictograms

Skull and crossbones

signalword

Danger

Hazard Classifications

Acute Tox. 3 Dermal - Acute Tox. 3 Inhalation - Acute Tox. 3 Oral

Storage Class

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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Articles

The properties of many devices are limited by the intrinsic properties of the materials that compose them.


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)
Seth M Dumbris et al.
The Journal of organic chemistry, 74(22), 8862-8865 (2009-10-30)
Hydantoins can be synthesized from the corresponding amino amides employing oxidative catalytic carbonylation using W(CO)(6) as the catalyst, I(2) as the oxidant, CO as the carbonyl source, and DBU as base. Secondary amides afford the hydantoins in good to excellent



Global Trade Item Number

SKUGTIN
755737-25G04061833607831