Description

1-Ethyl-3-Methylimidazolium Methanesulfonate is a high-purity ionic liquid belonging to the imidazolium cation family. This compound is valued for its excellent solvation properties, thermal stability, and low vapor pressure, making it a versatile and environmentally friendlier alternative to traditional volatile organic solvents. It is primarily utilized in advanced chemical synthesis, electrochemistry, and as a functional material in specialized industrial processes where precise control over the reaction medium is critical.

Application

• Electrolyte Component in electrochemical devices such as batteries, supercapacitors, and fuel cells.
• Green Solvent & Reaction Medium for organic synthesis, catalysis, and polymerization processes.
• Separation Science as a stationary phase modifier in chromatography or in liquid-liquid extraction.
• Gas Absorption medium for the capture and separation of acidic gases like CO₂ or SO₂.
• Lubricant & Additive in advanced formulations requiring high thermal stability and low volatility.
• Material Science precursor for synthesizing functional materials and composites.

Basic Information

Product Name	1-Ethyl-3-Methylimidazolium Methanesulfonate
CAS No.	145022-45-3
Molecular Formula	C₇H₁₄N₂O₃S
Molecular Weight	206.26 g/mol
Synonyms	EMIM Methanesulfonate; [EMIM][MS]; 1-Ethyl-3-methylimidazolium mesylate; 3-Methyl-1-ethylimidazolium methanesulfonate; Ionic Liquid [EMIM][OMs]; 1-Ethyl-3-methyl-1H-imidazol-3-ium methanesulfonate; EMIM OMs
EINECS	Contact for details

Quality Control

Our 1-Ethyl-3-Methylimidazolium Methanesulfonate is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including assay, impurity profiling, and verification of key physical properties, to ensure it meets the high standards required for research and industrial applications. A Certificate of Analysis (COA) detailing purity, water content, and halide levels is 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 product is hygroscopic (moisture-sensitive) and should be handled under a dry atmosphere to prevent degradation.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Halide Content (Cl⁻, Br⁻)	≤ 100 ppm
Density (at 20°C)	~1.20 g/cm³

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