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Merck
CN

399108

Tungsten(VI) fluoride

≥99.9%

Synonym(s):

Hexafluorotungsten, Tungsten hexafluoride

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About This Item

Linear Formula:
WF6
CAS Number:
Molecular Weight:
297.83
NACRES:
NA.23
PubChem Substance ID:
UNSPSC Code:
12352302
EC Number:
232-029-1
MDL number:
Assay:
≥99.9%
Form:
gas (compressed)
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Product Name

Tungsten(VI) fluoride, ≥99.9%

InChI key

NXHILIPIEUBEPD-UHFFFAOYSA-H

InChI

1S/6FH.W/h6*1H;/q;;;;;;+6/p-6

SMILES string

F[W](F)(F)(F)(F)F

assay

≥99.9%

form

gas (compressed)

reaction suitability

core: tungsten

bp

17.5 °C (lit.)

mp

2.3 °C (lit.)

Quality Level

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General description

Tungsten hexafluoride may be used as a precursor to prepare tungsten (VI) oxide.

Other Notes

A stainless steel control valve or gas regulator is recommended.

Packaging

Packaged in cylinders.

signalword

Danger

Hazard Classifications

Acute Tox. 2 Inhalation - Press. Gas Compr. Gas - Skin Corr. 1A

supp_hazards

Storage Class

2A - Gases

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Faceshields, Gloves, Goggles

Regulatory Information

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Certificates of Analysis (COA)

Lot/Batch Number

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  1. Which document(s) contains shelf-life or expiration date information for a given product?

    If available for a given product, the recommended re-test date or the expiration date can be found on the Certificate of Analysis.

  2. How do I get lot-specific information or a Certificate of Analysis?

    The lot specific COA document can be found by entering the lot number above under the "Documents" section.

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  4. What is the Department of Transportation shipping information for this product?

    Transportation information can be found in Section 14 of the product's (M)SDS.To access the shipping information for this material, use the link on the product detail page for the product. 

  5. What are the dimensions of the steel cylinders for 399108, Tungsten(VI) fluoride?

    Both SKUs of product 399108 are in the same 440 ml carbon steel lecture bottle, CY9211 or Z175544 (same bottle).  The dimensions for that bottle are 2" diameter and 12.75 in. from the bottom to the nozzle on the valve.

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    Ask a Scientist here.

Chemical vapor deposition of tungsten oxide.
Kirss RU and Meda L
Applied Organometallic Chemistry, 12(3), 155-160 (1998)

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