37181-39-8 | Trifluoromethanesulfonate (TfO⁻, triflate)

Chemical type

• Anion (organic sulfonate)

Key properties

• Hydrolytically stable
• Strong S=O bond (resilient to frequency shift under pressure)
• Often paired with imidazolium, pyrrolidinium, or ammonium cations

• Anion in ionic liquids for electrochemical applications
• Alternative to BF₄⁻ and PF₆⁻ in moisture-sensitive reactions

Classification by use

• Ionic liquid components
• Electrolyte materials

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1. Temperature and Pressure Dependence of the Infrared Spectrum of 1-Ethyl-3-Methylimidazolium Trifluoromethanesulfonate Ionic Liquid, Appl. Sci., 2020, 10(12), 4404