Description

1-Ethyl-1-Methylpyrrolidinium Bis(Trifluoromethylsulfonyl)Imide is a high-purity ionic liquid belonging to the pyrrolidinium cation family. This compound is valued for its excellent electrochemical stability, high ionic conductivity, and low volatility, making it a critical component in advanced energy storage systems. It is primarily sought by researchers and manufacturers in the fields of lithium-ion battery electrolytes, supercapacitors, and electrochemical devices.

Application

• Electrolyte Additive/Solvent for Lithium-Ion Batteries: Enhances thermal stability, safety, and cycle life of high-voltage battery cells.
• Electrolyte Component for Supercapacitors (EDLCs): Used in formulations to achieve wide electrochemical windows and high energy density.
• Electrochemical Solvent for Sensors and Actuators: Provides a stable, conductive medium for specialized electrochemical applications.
• Reaction Medium for Organic Synthesis: Serves as a green, non-volatile solvent for catalysis and synthesis where traditional solvents are unsuitable.
• Component in Ionic Liquid-Based Lubricants: Improves lubrication properties and reduces wear under extreme conditions.
• Gas Separation and Capture Media: Investigated for its selective absorption properties for gases like CO2.

Basic Information

Product Name	1-Ethyl-1-Methylpyrrolidinium Bis(Trifluoromethylsulfonyl)Imide
CAS No.	223436-99-5
Molecular Formula	C10H16F6N2O4S2
Molecular Weight	422.36 g/mol
Synonyms	[EMPyr][TFSI]; 1-Ethyl-1-methylpyrrolidinium bis(trifluoromethanesulfonyl)imide; 1-Ethyl-1-methylpyrrolidinium TFSI; EMPyr TFSI; N-Ethyl-N-methylpyrrolidinium bis(trifluoromethylsulfonyl)imide; Pyrrolidinium, 1-ethyl-1-methyl-, salt with 1,1,1-trifluoro-N-[(trifluoromethyl)sulfonyl]methanesulfonamide (1:1); 1-Ethyl-1-methylpyrrolidinium bis(perfluoroethylsulfonyl)imide (common misnomer); Contact for additional aliases.
EINECS	Contact for details

Quality Control

Our 1-Ethyl-1-Methylpyrrolidinium Bis(Trifluoromethylsulfonyl)Imide is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, Karl Fischer titration, and ICP-MS, to ensure high purity and consistency for demanding electrochemical applications. Certificates of Analysis (COA) with detailed impurity profiles are available upon request.

Storage

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

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (HPLC)	≥ 99.0%
Water Content (KF)	≤ 100 ppm
Halides (as Cl)	≤ 10 ppm
Heavy Metals (as Pb)	≤ 5 ppm
Density (at 20°C)	~1.52 g/cm³

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