Date published: 2026-7-27

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Triethyloxonium hexafluorophosphate (CAS 17950-40-2)

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Alternate Names:
Oxonium, triethyl-, hexafluorophosphate(1-)
CAS Number:
17950-40-2
Molecular Weight:
248.15
Molecular Formula:
C6H15O•PF6
Supplemental Information:
This is as a Dangerous Good for transport and may be subject to additional shipping charges.
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
* Refer to Certificate of Analysis for lot specific data.

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Triethyloxonium hexafluorophosphate is an organophosphate compound celebrated for its diverse roles across both scientific and industrial domains. It holds sway as an insecticide, corrosion inhibitor, and a fuel additive. Its operational mechanism resonates with other organophosphates, driven by its interaction with nucleophilic sites within organic compounds—such as amines, carboxylic acids, and alcohols—culminating in the generation of a phosphonium salt. This salt, in turn, initiates a sequence of chemical transformations, ultimately yielding a carboxylic acid and a phosphonate ester.


Triethyloxonium hexafluorophosphate (CAS 17950-40-2) References

  1. Efficient and regioselective synthesis of 2-alkyl-2H-indazoles.  |  Cheung, M., et al. 2003. J Org Chem. 68: 4093-5. PMID: 12737599
  2. Polymerization of Tetrahydrofuran with Triethyloxonium Hexafluorophosphate  |  P. Bourdauducq and D. J. Worsfold. 1975. Macromolecules., 8, 4,: 562.
  3. Polymerization of Dioxolane by Triethyloxonium Hexafluorophosphate  |  P. E. Black and & D. J. Worsfold. 1975 -. Journal of Macromolecular Science: Part A - Chemistry. Volume 9, Issue 8: Pages 1523-1532.
  4. Solvent nucleophilicity. A scale based on triethyloxonium ion solvolysis  |  Dennis N. Kevill and Gloria Meichia L. Lin. 1979. J. Am. Chem. Soc., 101, 14,: 3916–3919.
  5. Onium ions. 23. Structure of oxonium ions: an x-ray crystallographic study of triethyloxonium hexafluorophosphate and triphenyloxonium tetraphenylborate  |  Michael I. Watkins, Wai Man Ip, George A. Olah, and Robert Bau. 1982,. J. Am. Chem. Soc. 104, 9,: 2365–2372.
  6. Charge-transfer complexes of pyridinium ions and methyl- and methoxy-substituted benzenes as photoinitiators for the cationic polymerization of cyclohexene oxide and related compounds  |  G Hizal, Y Yaḡci, W Schnabel - Polymer, 1994 - Elsevier. May 1994,. Polymer. Volume 35, Issue 11,: Pages 2428-2431.
  7. Design, Synthesis, and Antibacterial Activity of 1-{8-[(Het)arylmethoxy]-2-(trifluoromethyl)imidazo[1,2-a]pyrazin-6-yl}ethan-1-amine Derivatives  |  , et al. 2022). Russian Journal of Organic Chemistry. volume 58,: pages 1015–1020 (.
  8. The synthesis of a cationic binuclear iron complex containing the η2-butatriene ligand and its reactions with oxygen nucleophiles  |  TE Bauch, WP Giering - Journal of Organometallic Chemistry, 1978 - Elsevier. 17 January 1978,. Elsevier Journal of Organometallic Chemistry. Volume 144, Issue 3,: Pages 335-349.
  9. Diethoxy-azobis(pyridinium) Salt as Photoinitiator for Cationic Polymerization: Towards Wavelength Tunability by Cis–Trans Isomerization  |  YOSHIHISA OKAMOTO. June 17, 2008. Macromolecular Rapid Communications. Volume29, Issue11: Pages 892-896.

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

Triethyloxonium hexafluorophosphate, 5 g

sc-237307
5 g
$163.00