Description

1-Ethyl-3-Methylimidazolium Acetate is a high-purity ionic liquid belonging to the imidazolium family. This compound is valued for its excellent solvating properties, thermal stability, and role as a versatile reaction medium and catalyst in green chemistry processes. It is primarily utilized by researchers and process engineers in the chemical, pharmaceutical, and biotechnology sectors for applications ranging from biomass processing to advanced material synthesis.

Application

• Biomass Processing & Cellulose Dissolution: A highly effective solvent for the pretreatment and dissolution of cellulose, lignin, and other biopolymers for biofuel and biochemical production.
• Green Chemistry & Catalysis: Serves as a recyclable reaction medium and catalyst support for various organic synthesis reactions, including esterification and condensation.
• Electrolyte Formulation: Used in the development of advanced electrolytes for electrochemical devices such as supercapacitors, batteries, and fuel cells.
• Gas Separation & Capture: Employed in supported ionic liquid membranes (SILMs) for the selective separation and absorption of gases like CO₂ and SO₂.
• Pharmaceutical Synthesis: Acts as a solvent and catalyst in the synthesis of active pharmaceutical ingredients (APIs) and intermediates, offering advantages in purity and yield.
• Polymer Processing & Modification: Utilized as a plasticizer or processing aid for specialty polymers and in the surface modification of materials.
• Analytical Chemistry: Functions as a stationary phase modifier in chromatography and as a matrix additive in mass spectrometry.
• Nanomaterial Synthesis: Provides a unique ionic environment for the controlled synthesis and stabilization of nanoparticles and nanostructures.

Basic Information

Item	Detail
Product Name	1-Ethyl-3-Methylimidazolium Acetate
CAS No.	143314-17-4
Molecular Formula	C₈H₁₄N₂O₂
Molecular Weight	170.21 g/mol
Synonyms	EMIM Acetate; [EMIM][OAc]; 1-Ethyl-3-methylimidazolium acetate; 3-Methyl-1-ethylimidazolium acetate; Ethylmethylimidazolium acetate; 1-Ethyl-3-methyl-1H-imidazol-3-ium acetate; Ionic Liquid [EMIM]Ac
EINECS	Contact for details

Quality Control

Our 1-Ethyl-3-Methylimidazolium Acetate is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including NMR, HPLC, and Karl Fischer titration, to ensure high purity, consistent performance, and compliance with customer specifications. Comprehensive Certificates of Analysis (COA) detailing purity, water content, and halide content are 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). To prevent degradation and water absorption, containers must be kept tightly sealed under an inert atmosphere (e.g., nitrogen or argon) after opening.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 1.0%
Halide Content (Cl⁻, Br⁻)	≤ 100 ppm
Density (at 20°C)	~1.10 g/cm³
Viscosity (at 25°C)	Contact for details

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