Description

1-(2-Methoxyethyl)-1-Methylpyrrolidinium Bis(Fluorosulfonyl)Imide is a high-purity ionic liquid belonging to the pyrrolidinium cation family, valued for its excellent electrochemical stability and low viscosity. This compound is a critical component in advanced energy storage systems, enabling higher efficiency and safety. It is primarily sought by manufacturers in the electrolyte formulation sector for next-generation lithium-ion and lithium-metal batteries.

Application

• Electrolyte Additive/Solvent for Lithium-Ion Batteries: Enhances ionic conductivity, thermal stability, and cycle life in high-voltage battery applications.
• Electrolyte for Lithium-Metal Batteries: Used to stabilize the lithium metal anode interface and suppress dendrite formation.
• Supercapacitor Electrolyte Component: Contributes to wide electrochemical windows and improved energy density in electrochemical double-layer capacitors (EDLCs).
• Research & Development: Serves as a key material in academic and industrial R&D for novel electrochemical devices and ionic liquid chemistry.
• Specialty Chemical Synthesis: Acts as a precursor or catalyst in select organic synthesis and polymerization processes requiring unique ionic media.

Basic Information

Item	Details
Product Name	1-(2-Methoxyethyl)-1-Methylpyrrolidinium Bis(Fluorosulfonyl)Imide
CAS No.	1235234-47-5
Molecular Formula	C9H20F2N2O5S2
Molecular Weight	338.39 g/mol
Synonyms	MEMPyrr-FSI; 1-Methyl-1-(2-methoxyethyl)pyrrolidinium bis(fluorosulfonyl)imide; N-Methoxyethyl-N-methylpyrrolidinium bis(fluorosulfonyl)amide; Pyrrolidinium, 1-(2-methoxyethyl)-1-methyl-, bis(fluorosulfonyl)imide; FSI-based ionic liquid; Li-ion battery ionic liquid; [MOEMPY][FSI]
EINECS	Contact for details

Quality Control

Our production of 1-(2-Methoxyethyl)-1-Methylpyrrolidinium Bis(Fluorosulfonyl)Imide adheres to stringent quality protocols to ensure batch-to-batch consistency and high electrochemical performance. Each lot is analyzed for critical parameters including purity, moisture content, and ionic conductivity. Certificates of Analysis (COA) detailing all specifications are provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). This material is hygroscopic (moisture-sensitive) and must be handled under a dry, inert atmosphere (e.g., argon or nitrogen) to prevent degradation.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 99.0%
Water Content (KF)	≤ 50 ppm
Halide Content (Cl⁻, F⁻)	≤ 10 ppm
Metal Impurities (ICP-MS)	≤ 1 ppm (each)
Conductivity	Reported on COA
Viscosity	Reported on COA

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.