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399108 Aldrich

Tungsten(VI) fluoride


Synonym: Hexafluorotungsten, Tungsten hexafluoride



Related Categories Chemical Synthesis, Electronic Chemicals, Fluorides, Materials Science, Micro/NanoElectronics,
assay   ≥99.9%
bp   17.5 °C(lit.)
mp   2.3 °C(lit.)


Frequently Asked Questions

Frequently Asked Questions are available for this Product.


225 g in steel cylinder

Packaged in cylinders.

General description

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

Recommended products

A stainless steel control valve or gas regulator is recommended.

Price and Availability

Safety & Documentation

Safety Information

Signal word 
Hazard statements 
UN 2196 8(2.3)
WGK Germany 

Frequently Asked Questions

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. These documents are located on the product detail page under Useful Links & Tools. Click on the following link to search for a Certificate of Analysis. Please click the following link to see the details on our Product Dating Information.
How do I get lot-specific information or a Certificate of Analysis?
A Certificate of Analysis is available by lot number and can be obtained through our Advanced Search Option: http://www.sigmaaldrich.com/catalog/AdvancedSearchPage.do
How do I find price and availability?
There are several ways to find pricing and availability for our products.  Once you log onto our website, you will find the price and availability displayed on the product detail page. You can contact any of our Customer Sales and Service offices to receive a quote.  USA customers:  1-800-325-3010 or view local office numbers. 
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, or search here. 
My question is not addressed here, how can I contact Technical Service for assistance?
Use the option to the right to "Ask a Question" by email of a Technical Service Scientist.
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" from the bottom to the nozzle on the valve.
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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

Peer-Reviewed Papers


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