Bistrifluoromethanesulfonimide lithium salt CAS 90076-65-6

CAS 90076-65-6
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Chemical Information

  • Common Name: Lithium bis(trifluoromethanesulfonyl)imide

  • Abbreviation:LiTFSI

  • Molecular Formula:C₂F₆LiNO₄S₂

  • Molecular Weight: 287.09 g/mol

  • Anion: TFSI⁻ (bis(trifluoromethanesulfonyl)imide)

Physical & Chemical Properties

  • Appearance: White to off-white crystalline powder

  • Solubility: Highly soluble in water and polar organic solvents (e.g., acetonitrile, carbonate solvents)

  • Hygroscopicity: Strongly hygroscopic

  • Thermal Stability: Excellent thermal and electrochemical stability

  • Electrochemical Window: Wide (suitable for high-voltage systems)

Typical Applications

  • Lithium-ion batteriesandsolid-state batteries (electrolyte salt)

  • Supercapacitors and advanced electrochemical devices

  • Ionic liquidssynthesis

  • Electrochemistry research and energy storage materials

Handling & Storage

  • Store in a dry, cool environment

  • Keep container tightly sealed, preferably under inert atmosphere

  • Use desiccants to prevent moisture uptake