Description

1-Vinyl-3-Ethylimidazolium Bis(Trifluoroethylimidazolium Sulfonyl)Imide is a high-purity ionic liquid belonging to the imidazolium 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 and material science applications. It is primarily sought by researchers and manufacturers in the fields of lithium-ion battery electrolytes, supercapacitors, and as a functional material for sensors and catalysis.

Application

• Advanced Electrolyte Component: Used as a key additive or co-solvent in lithium-ion and lithium-metal battery electrolytes to enhance safety, thermal stability, and cycle life.
• Supercapacitor Electrolyte: Employed in high-performance supercapacitors and ultracapacitors due to its wide electrochemical window and high ionic conductivity.
• Polymer Electrolytes & Membranes: Serves as a plasticizer or ionic conductor in solid polymer electrolytes (SPEs) and ion-gel membranes for flexible electronics.
• Electrochemical Deposition: Utilized as a non-aqueous electrolyte medium for the electrodeposition of reactive metals and semiconductors.
• Catalysis & Synthesis: Acts as a green solvent or catalyst support in organic synthesis and transition metal catalysis.
• Gas Separation & Sensors: Incorporated into supported ionic liquid membranes (SILMs) for CO2 capture and as a sensing layer in chemical sensors.

Basic Information

Product Name	1-Vinyl-3-Ethylimidazolium Bis(Trifluoroethylimidazolium Sulfonyl)Imide
CAS No.	204854-22-8
Molecular Formula	C12H15F6N3O4S2
Molecular Weight	443.39 g/mol
Synonyms	1-Ethyl-3-vinylimidazolium bis(trifluoromethylsulfonyl)imide; [VEIM][TFSI]; 1-Vinyl-3-ethylimidazolium bis(trifluoromethanesulfonyl)imide; 1-Ethyl-3-vinyl-1H-imidazol-3-ium 1,1,1-trifluoro-N-[(trifluoromethyl)sulfonyl]methanesulfonamide; Vinylethylimidazolium TFSI; 1-Ethyl-3-vinylimidazolium NTf2; Ionic Liquid [VEIM][NTf2]; 1-Vinyl-3-ethylimidazolium triflimide
EINECS	Contact for details

Quality Control

Our 1-Vinyl-3-Ethylimidazolium Bis(Trifluoroethylimidazolium Sulfonyl)Imide is produced under stringent quality management systems. Each batch undergoes rigorous analytical testing, including NMR, HPLC, and Karl Fischer titration, to ensure high purity and consistent performance. Certificates of Analysis (COA) detailing identity, purity, water content, and halide content are provided with every shipment. We support custom synthesis and purification to meet specific research or industrial grade requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive). For long-term storage, keep under an inert atmosphere such as argon or nitrogen in a sealed container to prevent moisture absorption and degradation.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Water Content (KF)	≤ 100 ppm
Halide Content (Cl⁻, Br⁻)	≤ 50 ppm
Density (25°C)	~1.5 g/cm³

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