Description

Imidodisulfuryl fluoride, potassium salt (1:1) (CAS No. 14984-76-0) is a high-purity inorganic compound with the molecular formula F₂KNO₄S₂ and the IUPAC name potassium;bis(fluorosulfonyl)azanide. This specialized chemical is widely utilized in advanced electrochemical applications, particularly as a conductive salt in lithium-ion batteries and other energy storage systems. Its unique structure, featuring fluorosulfonyl groups, contributes to enhanced ionic conductivity and thermal stability in non-aqueous electrolytes. Available in various quantities, this product is synthesized under stringent quality control measures to ensure consistency and reliability for research and industrial applications. Suitable for use in anhydrous environments, it is packaged under inert conditions to maintain purity and performance.

Properties

• CAS Number: 14984-76-0
• Complexity: 235
• IUPAC Name: potassium;bis(fluorosulfonyl)azanide
• InChI: InChI=1S/F2NO4S2.K/c1-8(4,5)3-9(2,6)7;/q-1;+1
• InChI Key: MHEBVKPOSBNNAC-UHFFFAOYSA-N
• Exact Mass: 218.88738764
• Molecular Formula: F2KNO4S2
• Molecular Weight: 219.23
• SMILES: [N-](S(=O)(=O)F)S(=O)(=O)F.[K+]
• Topological: 86
• Monoisotopic Mass: 218.88738764
• Synonyms: Imidodisulfuryl fluoride, potassium salt (1:1), 14984-76-0, potassium bis(fluorosulfonyl)amide, Potassium bis(fluorosulfonyl)imide, Potassium Bis(fluorosulfonyl)azanide, potassium;bis(fluorosulfonyl)azanide, Potassiumbis(fluorosulfonyl)imide, KFSI, MFCD17018950, F2KNO4S2, SCHEMBL253572, potassiumbis(fluorosulfonyl)amide, [bis(fluorosulfonyl)amino]potassium, AKOS025310563, AKOS027250573, Potassium bis(fluorosulfonyl)imide, 98%, FP102274, P2509, BIS(FLUOROSULFONYL)IMIDE POTASSIUM SALT, EN300-198709, H12030

Application

Imidodisulfuryl fluoride, potassium salt (1:1) is primarily employed as an electrolyte additive in lithium-ion batteries to improve ionic conductivity and cycling stability. It is also investigated for its potential use in supercapacitors and other energy storage devices due to its high thermal and electrochemical stability. Researchers utilize this compound in the development of advanced electrolyte formulations for next-generation batteries. Its fluorosulfonyl groups contribute to the formation of stable solid-electrolyte interphase (SEI) layers, enhancing battery performance and lifespan.

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