Description

1-Ethyl-3-Methylimidazolium Trifluoromethanesulfonate is a high-purity ionic liquid belonging to the imidazolium cation family. This compound is valued for its excellent thermal stability, low viscosity, and wide electrochemical window, making it a superior solvent and electrolyte component. It is primarily sought by researchers and manufacturers in the fields of electrochemistry, catalysis, and advanced material synthesis for applications requiring non-volatile, conductive media.

Application

• Electrolyte for Dye-Sensitized Solar Cells (DSSCs) and Lithium-Ion Batteries: Used as a key component in high-performance, non-volatile electrolytes to enhance conductivity and device stability.
• Green Solvent for Catalysis: Serves as a recyclable reaction medium for various organic transformations, including Friedel-Crafts alkylation and Diels-Alder reactions.
• Separation Science: Employed in gas chromatography and liquid-liquid extraction processes for the selective separation of complex mixtures.
• Polymer Synthesis and Processing: Acts as a solvent or additive for the synthesis of conductive polymers and the processing of biopolymers like cellulose.
• Lubricant and Additive: Functions as a high-temperature lubricant or anti-wear additive for specialized mechanical systems.
• Chemical Sensing: Utilized in the fabrication of electrochemical sensors and biosensors due to its ionic conductivity and biocompatibility.

Basic Information

Product Name	1-Ethyl-3-Methylimidazolium Trifluoromethanesulfonate
CAS No.	145022-44-2
Molecular Formula	C8H13F3N2O3S
Molecular Weight	274.26 g/mol
Synonyms	EMIM Triflate; EMIM OTf; 1-Ethyl-3-methylimidazolium triflate; [EMIM][OTf]; 1-Ethyl-3-methyl-1H-imidazol-3-ium trifluoromethanesulfonate; 1-Ethyl-3-methylimidazolium trifluoromethanesulphonate; Ionic Liquid [EMIM][CF3SO3]
EINECS	Contact for details

Quality Control

Our 1-Ethyl-3-Methylimidazolium Trifluoromethanesulfonate 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 consistency for research and industrial applications. Certificates of Analysis (COA) detailing purity, water content, and halide content are available upon request.

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 product is hygroscopic (moisture-sensitive). Keep the container tightly sealed under an inert atmosphere (e.g., nitrogen or argon) to prevent moisture absorption and degradation.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Halide Content (Cl⁻, Br⁻)	≤ 100 ppm
Density (at 20°C)	~1.38 g/cm³

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