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Atomfair Potassium Bis(trifluoromethanesulfonyl)imide KTFSI C2F6KNO4S2 CAS 90076-67-8

Potassium Bis(trifluoromethanesulfonyl)imide (KTFSI) is a high-purity ionic compound widely used in advanced electrochemical applications due to its exceptional thermal stability, high ionic conductivity, and chemical inertness. With the molecular formula C2F6KNO4S2, this organofluorine salt is a key component in electrolytes for lithium-ion batteries, supercapacitors, and other energy storage systems. Its superior solubility in organic solvents and resistance to hydrolysis make it ideal for research and industrial applications requiring stable, non-aqueous electrolytes. Available in various purity grades (up to 99.5%), our KTFSI is rigorously tested to ensure consistency for demanding scientific and commercial uses.

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Description

Potassium Bis(trifluoromethanesulfonyl)imide (KTFSI) is a high-purity ionic compound widely used in advanced electrochemical applications due to its exceptional thermal stability, high ionic conductivity, and chemical inertness. With the molecular formula C2F6KNO4S2, this organofluorine salt is a key component in electrolytes for lithium-ion batteries, supercapacitors, and other energy storage systems. Its superior solubility in organic solvents and resistance to hydrolysis make it ideal for research and industrial applications requiring stable, non-aqueous electrolytes. Available in various purity grades (up to 99.5%), our KTFSI is rigorously tested to ensure consistency for demanding scientific and commercial uses.

Properties

  • CAS Number: 90076-67-8
  • Complexity: 379
  • IUPAC Name: potassium;bis(trifluoromethylsulfonyl)azanide
  • InChI: InChI=1S/C2F6NO4S2.K/c3-1(4,5)14(10,11)9-15(12,13)2(6,7)8;/q-1;+1
  • InChI Key: KVFIZLDWRFTUEM-UHFFFAOYSA-N
  • Exact Mass: 318.88100029
  • Molecular Formula: C2F6KNO4S2
  • Molecular Weight: 319.25
  • SMILES: C(F)(F)(F)S(=O)(=O)[N-]S(=O)(=O)C(F)(F)F.[K+]
  • Topological: 86
  • Monoisotopic Mass: 318.88100029
  • Synonyms: 90076-67-8, POTASSIUM BIS(TRIFLUOROMETHANESULFONYL)IMIDE, 804-368-0, Potassium bis(trifluoromethanesulfonly)imide, KTFSI, MFCD06200829, Potassium bis(trifluoromethylsulfonyl)imide, potassium;bis(trifluoromethylsulfonyl)azanide, Potassium trifluoromethanesulfonimide, SCHEMBL878391, FT101177, SY078191, potassium bis(trifluoromethanesulfonyl)amide, Potassium trifluoromethanesulfonimide, 97%, B2543, CS-0106822, Potassium Bis[(trifluoromethyl)sulfonyl]amide, potassium bis[(trifluoromethyl)sulfonyl]imide, E75923, POTASSIUMBIS(TRIFLUOROMETHANESULFONYL)IMIDE, Potassium(I) Bis(trifluoromethanesulfonyl)imide 99.5%, 1,1,1-Trifluoro-N-[(trifluoromethyl)sulfonyl]-methanesulfonamide potassium

Potassium Bis(trifluoromethanesulfonyl)imide (KTFSI) is primarily used as a conductive salt in electrolytes for high-performance lithium-ion batteries, enabling enhanced thermal stability and cycle life. It also serves as a key additive in supercapacitors and fuel cells due to its low viscosity and high electrochemical window. Researchers utilize KTFSI in ionic liquid formulations for catalysis, electroplating, and advanced material synthesis.

Safety and Hazards

GHS Hazard Statements

  • H314 (100%): Causes severe skin burns and eye damage [Danger Skin corrosion/irritation]

Precautionary Statements

  • P260, P264, P280, P301+P330+P331, P302+P361+P354, P304+P340, P305+P354+P338, P316, P321, P363, P405, and P501

Hazard Classes and Categories

  • Skin Corr. 1B (100%)

If you are interested or have any questions, please contact us at support@atomfair.com

Disclaimer: Sold exclusively for laboratory research. Prohibited for commercial use, diagnostics, or human/animal applications. Buyers assume all compliance liability.

Disclaimer

Intended Use & Restrictions

This product is sold exclusively for laboratory research, analytical testing, or non-commercial purposes.

  • Strictly prohibited: Resale, repackaging, or formulation into commercial products.
  • Not approved for human/animal use, diagnostics, or manufacturing (including pharmaceuticals, agrochemicals, or consumer goods).

Patent & Regulatory Compliance

Certain molecules may be protected by active patents or regulatory restrictions.

  • Buyers must independently verify patent status (e.g., via USPTO/EPO/CNIPA) and comply with local laws.
  • Atomfair LLC does not provide legal assurances regarding patent non-infringement or jurisdictional compliance.

Liability Release

By purchasing, the buyer agrees to:

  • Use this product only as permitted by law.
  • Indemnify Atomfair LLC against all claims arising from misuse, patent infringement, or regulatory violations.

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