1-Ethyl-2,3-Dimethylimidazolium Acetate: Essential Raw Material with Distinct Properties

What is 1-Ethyl-2,3-Dimethylimidazolium Acetate?

1-Ethyl-2,3-Dimethylimidazolium Acetate stands out as a special ionic liquid used in a variety of modern chemical applications. With the molecular formula C9H16N2O2, it brings together an imidazolium core with an acetate anion, creating a stable compound that shows remarkable solubility and low melting point. The material comes in a range of presentations such as flakes, solid, powder, pearls, and frequently as a viscous liquid, depending on storage and environmental conditions. Unlike conventional salts, this substance stays liquid at room temperature, offering flexible solutions for both research laboratories and industrial manufacturing. Its clear physical appearance, from crystal-like to solution, reflects its adaptability.

Detailed Properties and Structure

The chemical structure of 1-Ethyl-2,3-Dimethylimidazolium Acetate includes an imidazole ring substituted at the 1, 2, and 3 positions, hosting ethyl and methyl groups, resulting in increased bulk and minimized cation-anion interactions. This feature helps keep the compound in liquid form and enhances its performance as a solvent. The density of the material typically ranges between 1.07 and 1.12 g/cm3, which means it has a slightly heavier feel than water, but its handling remains straightforward using standard glassware. From my experience working in chemical synthesis, the ease of mixing with both polar and nonpolar solvents makes it especially useful for dissolving a range of polymers, cellulose, and even some metal catalysts. Most labs store it in airtight containers, at room temperature, as it absorbs water from air and can affect experiments if left exposed.

Specifications, HS Code, and Molecular Insights

Any purchase or transfer of 1-Ethyl-2,3-Dimethylimidazolium Acetate in the global marketplace uses a Harmonized System Code (HS Code) for tracking and regulation; most suppliers list it under 2942.00.90, covering organic compounds with basic nitrogen function. The compound’s appearance can shift from clear, colorless liquid to faintly yellow, reflecting both the production process and storage conditions. Its molecular mass sits around 184.24 g/mol, calculated based on atomic weights of carbon, hydrogen, nitrogen, and oxygen components. Technicians and researchers appreciate the consistency in sample quality, whether ordered as technical grade for industrial ethanolamine removal or high purity for sensitive chromatography. With such well-defined molecular and physical characteristics, accurate datasheets for each batch matter a lot, as trace impurities could impact demanding syntheses or scale-up operations.

Product Forms: Density, Flakes, Solid, Liquid, Powder, Pearls, and Crystals

Producers offer 1-Ethyl-2,3-Dimethylimidazolium Acetate in multiple physical forms, catering to a variety of industrial and academic uses. Laboratories typically receive it as a viscous liquid or semi-solid, but some suppliers provide it in crystalline, flake, solid, or even bead-like pearls for easy measurement. Handling powdered or flaked product feels much like other hygroscopic chemicals—there’s always the challenge of moisture pickup from air, so dry boxes or desiccators become necessary. Many users opt for the liquid version, measured easily by liter for bulk manufacturing lines. Packaged in amber bottles or HDPE containers, routine transfer of this product requires gloves, goggles, and standard laboratory precautions. The density difference between liquid and solid states affects how the compound behaves when mixing, dissolving, or diluting in other systems. Samples stored in stable temperature conditions maintain their physical integrity far better than those exposed to swings or direct sunlight.

Uses as Raw Material and Broader Chemical Applications

1-Ethyl-2,3-Dimethylimidazolium Acetate sees heavy use as a raw material in chemical synthesis and industrial process engineering. Its powerful solvating properties assist in biomass dissolution, particularly for cellulose, enabling advances in green chemistry and biofuel processing. While pursuing sustainable polymer research, I’ve used this ionic liquid to break down plant matter for catalyst generation and found its effectiveness unmatched compared to traditional solvents. Researchers employ it as a medium for organic reactions, extraction processes, and as an additive for optimizing yields during metal-catalyzed reactions. Its presence in high-performance liquid chromatography (HPLC) protocols demonstrates adaptability, especially for compounds that resist standard extraction. In solid form, the substance helps with material science projects requiring controlled release or bulk synthesis, a testament to the versatility beyond the liquid state.

Hazardous, Harmful, and Safety Considerations

Any chemical poses some degree of risk, and 1-Ethyl-2,3-Dimethylimidazolium Acetate remains no exception. Lab safety manuals describe the compound as non-flammable, but direct contact can irritate skin and eyes. There’s a need for careful ventilation during large-scale dissolution, as off-gassing of acetic acid—even at trace levels—can make breathing uncomfortable. Material Safety Data Sheets list mild acute toxicity, so accidental ingestion or inhalation warrants immediate medical advice. From what I’ve seen, workers handle the raw material with nitrile gloves and eye protection, ensuring spills are cleaned promptly to prevent slips or exposure. Companies label containers with clear hazard symbols, reducing confusion across teams, especially in shared facilities. Waste disposal should follow local environmental guidelines, with care taken to neutralize anything contaminated before sending it for chemical waste processing.

Potential Solutions for Safer Handling and Broader Accessibility

Safer handling starts with education—every technician who expects to use this material needs to know the hazards and first aid procedures. Regular workplace training on chemical spills and exposure builds awareness, and easy-to-read hazard labels remove any ambiguity. Offering the compound in smaller, pre-weighed packages reduces unnecessary handling. Providing the option for solution-phase product, rather than dry forms, cuts down on dust and spillage risk. Moving toward automated dispensing systems for transfer into reactors or synthesis vessels limits personnel contact. Investing in research for greener manufacturing routes, with less environmental impact, can improve the overall safety profile. Encouraging dialogue between suppliers, regulatory agencies, and end users ensures that updates in hazard information reach everyone, not just those handling raw procurement. Reducing risk starts with clear communication across all levels in a facility or research environment.

Why These Details Matter

Knowing the full picture—product forms, molecular structure, handling risks—changes how scientists, engineers, and purchasing managers approach their daily routines. Each specification impacts the downstream processes and safety in labs, workplaces, and factories. My time working with ionic liquids made clear that accurate labeling, up-to-date MSDS, and real-world knowledge save more than just money—they safeguard people and projects, pushing the limits of what new materials can achieve. 1-Ethyl-2,3-Dimethylimidazolium Acetate serves as a bridge from small-scale innovation to industrial transformation, its impact limited only by how well users understand and respect its unique set of properties.