Carbenium Salts

Carbenium and carbonium ions are carbocations that can be stabilized by anionic halogen salts. Sigma-Aldrich offers carbenium salts as building blocks for chemical synthesis with various synthetic applications, such as in electrochemical redox transformations, oxidations, additions, alkylations, cyanations, complexes and ligand sources, among many others.

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93560 Tropylium tetrafluoroborate purum, ≥97.0% (T) C7H7BF4
164623 Tropylium tetrafluoroborate 97% C7H7BF4
164577 Tritylium tetrafluoroborate C19H15BF4
175390 Triphenylcarbenium pentachlorostannate C19H15Cl5Sn
164569 Tritylium hexafluorophosphate C19H15F6P