Bistrifluoromethanesulfonimide CAS 82113-65-3

CAS 82113-65-3
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Chemical Information

  • Synonyms: Bis(trifluoromethanesulfonyl)imide; Triflimide

  • Abbreviation:HTFSI

  • Molecular Formula:C₂HF₆NO₄S₂

  • Molecular Weight: 280.14 g/mol

  • Conjugate Base: TFSI⁻ (bis(trifluoromethanesulfonyl)imide)

Physical & Chemical Properties

  • Appearance: White to off-white crystalline solid

  • Acidity: Superacid (very strong Brønsted acid)

  • Solubility: Soluble in water and many polar organic solvents

  • Thermal Stability:High

  • Volatility:Low

Typical Applications

  • Precursor for LiTFSI and other metal TFSI salts

  • Strong acid catalyst in organic synthesis

  • Ionic liquid synthesis

  • Electrochemistry and battery materials research

  • Fluorinated specialty chemical intermediate