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472956 Aldrich

Tungsten hexacarbonyl

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

Synonym: Tungsten carbonyl



Related Categories CVD and ALD Precursors by Metal, Catalysis and Inorganic Chemistry, Chemical Synthesis, Materials Science, Micro/NanoElectronics,
vapor density   12.1 (vs air)
vapor pressure   1.2 mmHg ( 67 °C)
assay   99.99% trace metals basis (excluding Mo)
form   solid
purified by   sublimation
mp   150 °C(lit.)
density   2.65 g/mL at 25 °C(lit.)



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.1

General description

Atomic number of base material: 74 Tungsten


5, 25 g in glass bottle

Price and Availability

Safety & Documentation

Safety Information

GHS06  GHS06
Signal word 
Hazard statements 
Precautionary statements 
UN 3466 6.1 / PGIII
WGK Germany 


Certificate of Analysis

Certificate of Origin

Protocols & Articles


High Purity Inorganics

Aldrich-APL (AAPL) offers a complete line of the highest purity inorganic salts and materials for the micro and nanoelectronics market. Through proprietary processes, AAPL manufactures metal halide s...
Chemfiles Volume 4 Article 3
Keywords: Catalog, Inductively coupled plasma, Mass spectrometry, Nanoelectronics, Sublimation

High Purity Metalorganic Precursors for CPV Device Fabrication

Thin film photovoltaic devices have become increasingly important in efficiently harnessing solar energy to meet consumer demand. Conventional crystalline silicon solar cells have demonstrated remark...
Ravi Kanjolia
Material Matters Volume 5 Article 4
Keywords: Absorption, Chemical vapor deposition, Degradations, Deposition, Mass spectrometry, Nuclear magnetic resonance spectroscopy, Purification, Semiconductor, Solar cells, Spectroscopy, Tissue microarrays, Vaporization

Peer-Reviewed Papers


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1. J. Organomet. Chem. 692, 562, (2007)

Kuramshin, A.I. et al. Russ. J. Org. Chem. 41(5), 649-655, (2005)

Denny, N.R. Proc. SPIE: Int. Soc. Opt. Eng., 6005, (2005)

Utke, I.; et al. Adv. Eng. Mater. 8 (3), 155-157, (2006)

Highly scalable, atomically thin WSe2 grown via metal-organic chemical vapor deposition. Eichfeld SM, Hossain L, Lin YC, et al. ACS Nano 9(2), 2080-7, (2015)


The transient electrical conductivity of W-based electron-beam-induced deposits during growth, irradiation and exposure to air. Porrati F, Sachser R, and Huth M Nanotechnology 20(19), 195301, (2009)


Millisecond pulsed radio frequency glow discharge time of flight mass spectrometry: temporal and spatial variations in molecular energetics. Li L, Millay JT, Turner JP, et al. J. Am. Soc. Mass Spectrom. 15(1), 87-102, (2004)


Mechanism of W(CO)6 sonolysis in diphenylmethane. Cau C and Nikitenko SI Ultrason. Sonochem. 19(3), 498-502, (2012)


Determination of Ni(CO)4, Fe(CO)5, Mo(CO)6, and W(CO)6 in sewage gas by using cryotrapping gas chromatography inductively coupled plasma mass spectrometry. Feldmann J J. Environ. Monit. 1(1), 33-7, (1999)


Preparation of hydantoins by catalytic oxidative carbonylation of alpha-amino amides. Dumbris SM, Díaz DJ, and McElwee-White L J. Org. Chem. 74(22), 8862-5, (2009)


Catalytic carbonylation of functionalized diamines: application to the core structure of DMP 323 and DMP 450. Hylton KG, Main AD, and McElwee-White L J. Org. Chem. 68(4), 1615-7, (2003)


Excitation and dissociation of tungsten hexacarbonyl W(CO)6: statistical and nonstatistical dissociation processes. Martin S, Chen L, Brédy R, et al. J. Chem. Phys. 134(3), 034304, (2011)


Fieser 6,658 / Fieser 8,525 / Fieser 14,345

Aldrich MSDS 1, 1821:B / Corp MSDS 1 (2), 3559:C / FT-IR 2 (3), 4590:B / FT-IR 1 (2), 1299:A / RegBook 1 (2), 3141:C / Sax 6, 1505

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