Description

1-(2-Ethoxyethyl)-1-Methylpyrrolidinium Bis(Trifluoromethylsulfonyl)Imide is a high-purity ionic liquid belonging to the pyrrolidinium cation family, valued for its exceptional electrochemical stability and low volatility. This compound is engineered to serve as a superior electrolyte component, enabling enhanced performance and safety in advanced energy storage systems. It is primarily sought by manufacturers and researchers in the electrochemical, battery technology, and materials science sectors for developing next-generation devices.

Application

• Electrolyte for Lithium-Ion Batteries: Used as a co-solvent or additive to improve thermal stability, widen the electrochemical window, and enhance cycle life.
• Electrolyte for Supercapacitors (EDLCs): Employed in high-voltage, high-energy-density capacitors due to its excellent ionic conductivity and stability.
• Electrochemical Solvent for Metal Deposition: Facilitates electroplating and electrorefining of reactive metals like lithium, sodium, and aluminum.
• Reaction Medium in Organic Synthesis: Acts as a green, non-volatile solvent for catalysis and synthesis, offering unique solvation properties.
• Component in Dye-Sensitized Solar Cells (DSSCs): Enhances the efficiency and longevity of the electrolyte system within photovoltaic cells.
• Gas Separation Membranes: Incorporated into polymer matrices to improve selectivity and permeability for CO2 capture and other separation processes.
• Lubricant and Additive: Used in specialized formulations for high-temperature or extreme environment lubrication due to its low vapor pressure.
• Research & Development: Serves as a key material in academic and industrial R&D for exploring new electrochemical applications and ionic liquid properties.

Basic Information

Product Name	1-(2-Ethoxyethyl)-1-Methylpyrrolidinium Bis(Trifluoromethylsulfonyl)Imide
CAS No.	663628-46-4
Molecular Formula	C12H20F6N2O5S2
Molecular Weight	450.42 g/mol
Synonyms	N-Ethoxyethyl-N-methylpyrrolidinium bis(trifluoromethanesulfonyl)imide; [1-(2-Ethoxyethyl)-1-methylpyrrolidinium] [TFSI]; Pyrrolidinium, 1-(2-ethoxyethyl)-1-methyl-, salt with 1,1,1-trifluoro-N-[(trifluoromethyl)sulfonyl]methanesulfonamide (1:1); [O2O1][TFSI]; 1-Methyl-1-(2-ethoxyethyl)pyrrolidinium bis(trifluoromethylsulfonyl)imide; EEMPyrr TFSI; Ionic Liquid [EEMPyrr][NTf2]; Contact for details on additional trade names.
EINECS	Contact for details

Quality Control

Our 1-(2-Ethoxyethyl)-1-Methylpyrrolidinium Bis(Trifluoromethylsulfonyl)Imide is produced under stringent quality management systems. Each batch undergoes rigorous analytical testing to ensure high purity, consistent performance, and traceability. Certificates of Analysis (COA) detailing key parameters such as assay, water content, and halide impurities are provided and available upon request to support your quality assurance protocols.

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., nitrogen or argon) to prevent degradation. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 99.0%
Water Content (KF)	≤ 100 ppm
Halide Content (Cl⁻, Br⁻)	≤ 50 ppm
Density (at 20°C)	~1.50 g/cm³
Viscosity (at 20°C)	Contact for details
Electrochemical Window	> 5.0 V vs. Li/Li⁺

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