Thionyl fluoride

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IUPACName = Thionyl fluoride
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CASNo = 7783-42-8
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Formula = SOF₂
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Appearance = colorless gas
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RPhrases = R36/37/38cite web |url= http://msds.chem.ox.ac.uk/TH/thionyl_fluoride.html |title= Safety (MSDS) data for thionyl fluoride
accessdate=2008-07-29 |publisher= Oxford University |date=2005-09-02 ]
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OtherCpds = Thionyl chloride, Carbonyl fluoride, Phosphoryl chloride

Thionyl fluoride, SOF₂, is a compound of sulfur with oxygen and fluorine. It is produced as a breakdown product of sulfur hexafluoride, which is used as an insulator in electrical equipment, in the presence of electrical discharges and aircite journal
quotes =
last = Pepi
first = Federico
authorlink =
coauthors = Andreina Ricci, Marco Di Stefano, Marzio Rosi, Giuseppe D'Arcangelo
date = September 18
year = 2002
month =
title = Thionyl Fluoride from Sulfur Hexafluoride Corona Discharge Decomposition: Gas-Phase Chemistry of (SOF₂)H⁺ Ions
journal = Journal of Physical Chemistry A
volume = 106
issue = 40
pages = 9261-9266
publisher = American Chemical Society
location =
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url = http://pubs.acs.org/cgi-bin/abstract.cgi/jpcafh/2002/106/i40/abs/jp021074v.html
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accessdate = 2008-07-29
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quote = ] . Inhalation can cause pulmonary edemaCitation
last = Stellman
first = Jeanne Mager
author-link =
last2 =
first2 =
author2-link =
publication-date =
date =
year = 1998
title = Encyclopaedia of Occupational Health and Safety
edition =
volume =
series =
publication-place =
place =
publisher = International Labour Organisation
id =
isbn = 9221098176
doi =
oclc =
pages = 104.405
url = http://books.google.com/books?id=e4_S46UcI2AC&pg=PT460&dq=%22Thionyl+fluoride%22&lr=&as_brr=3&sig=ACfU3U1hO0fBkSVXFK9A33IIwc7UfZ7tiA
accessdate = 2008-07-29] .

Reactions

Thionyl fluoride can be produced by the reaction of thionyl chloride with fluorineCitation
last = Newth
first = George S.
author-link =
last2 =
first2 =
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publication-date =
date =
year = 1903
title = A Text-book of Inorganic Chemistry
edition = 10
volume =
series =
publication-place =
place = London
publisher = Longman, Greens, and Co.
id =
isbn =
doi =
oclc =
pages = 441
url = http://books.google.com/books?id=w8IMAAAAYAAJ&pg=PA441&dq=%22Thionyl+fluoride%22&lr=&as_brr=3
accessdate = 2008-07-29]

or with compounds such as antimony trifluorideCitation
last = Holleman
first = Arnold F.
author-link =
last2 =
first2 =
author2-link =
publication-date =
date =
year = 2001
title = Inorganic Chemistry
edition =
volume =
series =
publication-place =
place =
publisher = Academic Press
id =
isbn = 0123526515
doi =
oclc =
pages = 542
url = http://books.google.com/books?id=LxhQPdMRfVIC&pg=PA542&dq=%22Thionyl+fluoride%22&lr=&as_brr=3&sig=ACfU3U1ta1v8sGg2Ny1iGRCy01QE2PPfnA
accessdate = 2008-07-29] :

:3SOCl₂ + 2SbF₃ → 3SOF₂ + 2SbCl₃

or by the fluorination of sulfur dioxide, e.g.:

:SO₂ + 2PF₅ → SOF₂ + POF₃

As is typical with the acyl halides, it reacts with water, giving hydrogen fluoride and sulfur dioxide:

:SOF₂ + H₂O → HF + SO₂

References