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Atomfair 1-Butyl-1-methylpyrrolidinium Bis(fluorosulfonyl)imide PYR14FSI C9H20F2N2O4S2 CAS 1057745-51-3

1-Butyl-1-methylpyrrolidinium Bis(fluorosulfonyl)imide (PYR14FSI) is a high-purity ionic liquid with the molecular formula C9H20F2N2O4S2and CAS number 1057745-51-3. This compound is characterized by its exceptional thermal stability, low viscosity, and high ionic conductivity, making it an ideal candidate for advanced electrochemical applications. It is synthesized under stringent quality control measures to ensure minimal impurities, with a typical purity of ≥98%. PYR14FSI is widely utilized as an electrolyte component in lithium-ion batteries, supercapacitors, and other energy storage devices due to its wide electrochemical window and excellent solvation properties. The product is supplied in airtight, moisture-resistant packaging to maintain its integrity and performance.

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Description

1-Butyl-1-methylpyrrolidinium Bis(fluorosulfonyl)imide (PYR14FSI) is a high-purity ionic liquid with the molecular formula C9H20F2N2O4S2 and CAS number 1057745-51-3. This compound is characterized by its exceptional thermal stability, low viscosity, and high ionic conductivity, making it an ideal candidate for advanced electrochemical applications. It is synthesized under stringent quality control measures to ensure minimal impurities, with a typical purity of ≥98%. PYR14FSI is widely utilized as an electrolyte component in lithium-ion batteries, supercapacitors, and other energy storage devices due to its wide electrochemical window and excellent solvation properties. The product is supplied in airtight, moisture-resistant packaging to maintain its integrity and performance.

Properties

  • CAS Number: 1057745-51-3
  • Complexity: 324
  • IUPAC Name: bis(fluorosulfonyl)azanide;1-butyl-1-methyl-pyrrolidin-1-ium
  • InChI: InChI=1S/C9H20N.F2NO4S2/c1-3-4-7-10(2)8-5-6-9-10;1-8(4,5)3-9(2,6)7/h3-9H2,1-2H3;/q+1;-1
  • InChI Key: RWCIVBBAADOXMK-UHFFFAOYSA-N
  • Exact Mass: 322.08325579
  • Molecular Formula: C9H20F2N2O4S2
  • Molecular Weight: 322.4
  • SMILES: CCCC[N+]1(CCCC1)C.[N-](S(=O)(=O)F)S(=O)(=O)F
  • Topological: 86
  • Monoisotopic Mass: 322.08325579
  • Synonyms: 1-Butyl-1-methylpyrrolidinium bis(fluorosulfonyl)imide, 1057745-51-3, 833-570-1, PYR14FSI, MFCD30749250, 1-Butyl-1-methyl-1-pyrrolidinium Bis(fluorosulfonyl)amide, bis(fluorosulfonyl)azanide;1-butyl-1-methylpyrrolidin-1-ium, 1-butyl-1-methylpyrrolidin-1-ium; bis(fluorosulfonyl)azanide, B5398, CS-0378312, T70052, 1-Butyl-1-methylpyrrolidiniumbis(fluorosulfonyl)imide, N-butyl-N-methylpyrrolidinium bis(fluorosulfonyl)amide, 1-Butyl-1-methylpyrrolidinium bis(fluorosulfonyl)imide, 98%

Application

1-Butyl-1-methylpyrrolidinium Bis(fluorosulfonyl)imide (PYR14FSI) is primarily used as an electrolyte additive in lithium-ion batteries to enhance thermal stability and ionic conductivity. It is also employed in supercapacitors and fuel cells due to its wide electrochemical window and low volatility. Researchers utilize PYR14FSI in advanced energy storage systems to improve cycle life and safety. Its compatibility with various electrode materials makes it a versatile choice for next-generation electrochemical devices.

Safety and Hazards

GHS Hazard Statements

  • H302 (33.3%): Harmful if swallowed [Warning Acute toxicity, oral]
  • H315 (66.7%): Causes skin irritation [Warning Skin corrosion/irritation]
  • H319 (66.7%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]

Precautionary Statements

  • P264, P264+P265, P270, P280, P301+P317, P302+P352, P305+P351+P338, P321, P330, P332+P317, P337+P317, P362+P364, and P501

Hazard Classes and Categories

  • Acute Tox. 4 (33.3%)
  • Skin Irrit. 2 (66.7%)
  • Eye Irrit. 2 (66.7%)

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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