1-Ethyl-3-methylimidazolium Acetate丨CAS 143314-17-4

1. Solvent for Biomass Processing

1-Ethyl-3-methylimidazolium acetate丨CAS 143314-17-4 is widely used to dissolve cellulose, lignin, and chitin, which are otherwise insoluble in conventional solvents.

Plays a key role in:

Pretreatment of lignocellulosic biomass for biofuel production

Regeneration of cellulose into fibers, films, and hydrogels

Green chemistry processes for biopolymer valorization

2. Catalysis and Green Chemistry

Functions as a reaction medium or catalyst co-solvent in organic transformations:

Esterifications

Transesterifications

Nucleophilic substitutions

Offers non-volatility, reusability, and low toxicity, supporting sustainable synthesis

3. Electrochemical Applications

EMIM Ac is used in electrolytes for:

Supercapacitors

Lithium-ion and metal batteries

Electroplating and electrochemical sensors

Benefits include high ionic conductivity, thermal stability, and electrochemical window

4. Enzymatic Reactions

1-Ethyl-3-methylimidazolium acetate丨CAS 143314-17-4 acts as a medium for biocatalysis, enabling enzymatic reactions in low-water or water-free environments

Enhances enzyme stability and reaction efficiency, particularly for lipase- or cellulase-based processes

5. Pharmaceutical and Material Research

Used in the processing of drug-loaded polymers, nanocellulose, and biocompatible films

Acts as a solvent or co-solvent for drug delivery systems and controlled-release matrices

6. Gas Absorption and Separation

Applied in the absorption of CO₂, SO₂, and other gases

Investigated for carbon capture technologies, particularly in conjunction with supported ionic liquid membranes (SILMs)

1. High Solvating Power

EMIM acetate can dissolve difficult substrates such as crystalline cellulose and lignin, enabling more efficient biomass conversion and material synthesis

2. Low Volatility and Non-Flammability

As an ionic liquid, EMIM Ac exhibits negligible vapor pressure, reducing VOC emissions and making it safer for industrial and lab use

3. Thermal and Chemical Stability

Stable under a wide range of reaction conditions, including high temperatures and mildly acidic/basic environments

4. Biocompatibility and Low Toxicity

Exhibits low toxicity compared to conventional solvents, making it suitable for green chemistry and bioprocessing applications

5. Recyclability

Can be recovered and reused in many chemical processes, enhancing cost efficiency and reducing environmental impact

1-Ethyl-3-methylimidazolium acetate丨CAS 143314-17-4 is a versatile and sustainable imidazolium-based ionic liquid with wide-ranging applications in biomass processing, green synthesis, electrochemistry, and pharmaceutical research. Its ability to dissolve recalcitrant biopolymers, support catalytic reactions, and function as a stable, non-volatile solvent makes it a key component in advancing green and sustainable technologies across both industrial and academic sectors.