Tropylium tetrafluoroborate

From Wikipedia, the free encyclopedia
Jump to: navigation, search
Tropylium tetrafluoroborate
Tropylium tetrafluoroborate.svg
Tropylium-ion-3D-balls.png Tetrafluoroborate-ion-3D-balls.png
CAS number 27081-10-3
ChemSpider 134784
Jmol-3D images Image 1
Molecular formula C7H7BF4
Molar mass 177.94 g mol−1
Except where noted otherwise, data are given for materials in their standard state (at 25 °C (77 °F), 100 kPa)
Infobox references

Tropylium tetrafluoroborate is an organic compound containing the tropylium cation and the non-coordinating tetrafluoroborate counteranion. It is a stable salt which is commercially available.

This compound may be prepared by the reaction of cycloheptatriene with phosphorus trichloride, followed by tetrafluoroboric acid.[1]

See also[edit]


  1. ^ Kane, John L.; Danheiser, Rick L. (2001). Tropylium Tetrafluoroborate. "Encyclopedia of Reagents for Organic Synthesis". Encyclopedia of Reagents for Organic Synthesis. doi:10.1002/047084289X.rt429. ISBN 0-471-93623-5.