1-Ethyl-3-methylimidazolium trifluoromethanesulfonate (EMIM OTf), 98%, Ionic Liquid
Product Introduction
1-Ethyl-3-methylimidazolium trifluoromethanesulfonate (EMIM OTf), 98%, Ionic Liquid is a research ionic liquid ionic liquid identified in the supplied product record as 1-Ethyl-3-methylimidazolium with Trifluoromethanesulfonate (OTf). The record lists CAS number 145022-44-2, molecular formula C7H11F3N2O3S, purity 98%, package 100g.
The material is used in laboratory research in electrochemistry, catalysis, organic synthesis, separation science, and electrolyte development. Use as a polar reaction medium or electrolyte component; verify compatibility and the required formulation before use.
Key Features
- Defined ionic composition: The listed cation and anion provide a clear basis for electrolyte, solvent, and reaction-medium comparison.
- Declared purity: The supplied record lists 98% purity, supporting controlled material selection for research trials.
- Research package: Supplied in 100g for laboratory-scale evaluation and procurement planning.
- Compatibility and handling reference: The product record notes soluble in water, which helps screen aqueous handling and solvent compatibility. The supplied thermal references include melting point -10 °C, boiling behavior 671 °C.
Technical Specifications
| Parameter | Specification |
|---|---|
| Product Name | 1-Ethyl-3-methylimidazolium trifluoromethanesulfonate (EMIM OTf), 98%, Ionic Liquid |
| CAS No. | 145022-44-2 |
| Cation | 1-Ethyl-3-methylimidazolium |
| Anion | Trifluoromethanesulfonate (OTf) |
| Molecular Formula | C7H11F3N2O3S |
| Molecular Weight | 260.23 g/mol |
| Purity | 98% |
| Grade | Research Ionic Liquid |
| Physical State / Appearance | Liquid;Color: |
| Melting Point | -10 °C |
| Boiling Behavior | 671 °C |
| Density | 1.387 g/mL at 25 °C (lit.) |
| Water Solubility | Soluble in water |
| Package | 100g |
Application Areas
- Electrolyte composition and ion-coordination studies
- Electrochemical reaction-media development
- Organic synthesis and catalysis research
- Solvent compatibility and separation-process screening
- Battery and energy-storage formulation research where the listed ionic composition is appropriate
Handling and Procurement
Keep the container tightly closed in a cool, dry, well ventilated area. Protect the material from moisture, water contamination, heat, and direct sunlight, and keep the container closed when not in use. Before handling, review the SDS and use appropriate protective equipment.
Related Products
| Research Need | Related Product | Best For |
|---|---|---|
| Compare the same cation with a different counterion | 1-Ethyl-3-methylimidazolium dicyanamide (EMIM DCA), 98%, Ionic Liquid | Counterion screening and formulation comparison. |
| Compare the same cation with a different counterion | 1-Ethyl-3-methylimidazolium dimethyl phosphate (EMIM DMP), 99%, Ionic Liquid | Counterion screening and formulation comparison. |
| Compare the same cation with a different counterion | 1-Ethyl-3-methylimidazolium methylsulfate (EMIM MeSO4), Research Grade, 98%, Ionic Liquid | Counterion screening and formulation comparison. |
| Compare the same cation with a different counterion | 1-Ethyl-3-methylimidazolium diethyl phosphate (EMIM DEP), Research Grade, 98%, Ionic Liquid | Counterion screening and formulation comparison. |
Store in a cool, dry, well-ventilated area away from moisture, heat, and direct sunlight. Protect from water contamination and keep container tightly closed when not in use.
- Moisture sensitivity: The material absorbs water due to its water solubility, requiring protection from atmospheric moisture and liquid water during storage and handling.
- Thermal stability range: The ionic liquid remains liquid above -10 °C and exhibits boiling behavior at 671 °C, but must be kept away from heat sources to prevent thermal degradation or decomposition.
- Containment requirement: Always keep the container sealed in a well-ventilated area to prevent contamination by airborne particles or reactive gases.
Follow these steps to safely handle 1-Ethyl-3-methylimidazolium trifluoromethanesulfonate (EMIM OTf) for research applications. The procedure assumes prior review of the Safety Data Sheet and preparation of clean, dry glassware.
Required Equipment: Chemical-resistant gloves (e.g., nitrile), Safety goggles or face shield, Dry, clean glass syringe or pipette, Inert gas purge equipment (e.g., argon or nitrogen line)
- Don personal protective equipment
Put on chemical-resistant gloves, safety goggles, and a laboratory coat before handling the container. - Prepare working environment
Purge the working area or glovebox with dry inert gas to minimize moisture exposure. - Open container under inert atmosphere
Transfer the container to the inert environment and open it carefully to avoid introducing water or oxygen. - Dispense the ionic liquid
Use a clean, dry glass syringe or pipette to withdraw the required volume, ensuring no water or debris enters the bulk material. - Reseal container immediately
Close the container tightly after dispensing to prevent moisture ingress and contamination. - Clean equipment and dispose of waste
Rinse all dispensing tools with a compatible dry solvent and dispose of rinsate and any contaminated materials according to local regulations.
What is the thermal stability window of EMIM OTf for high-temperature electrolyte applications?
The product record lists a melting point of -10 °C and boiling behavior at 671 °C, indicating a wide liquid-phase thermal window. However, the source does not specify a decomposition temperature (TGA onset), so the practical upper limit for long-term thermal stability is not defined in this record. For high-temperature electrolyte design, verify thermal stability via TGA before use.
Can EMIM OTf be used as a co-solvent with water in electrochemical applications?
Yes, the product is soluble in water, which supports its use in aqueous-based formulations or as a co-solvent. However, the source does not specify the electrochemical stability window (ESW) or any water-content limits, so compatibility with water-sensitive electrode materials or reactive species must be validated experimentally. The presence of the trifluoromethanesulfonate anion may influence hydrolysis stability, but this is not stated in the record.
What handling and storage precautions are required for EMIM OTf to maintain its 98% purity?
The product must be kept in a tightly closed container in a cool, dry, well-ventilated area, protected from moisture, water contamination, heat, and direct sunlight. The source notes that the material is soluble in water, so exposure to atmospheric moisture could lead to water uptake and potential performance changes. Always review the SDS and use appropriate protective equipment before handling.
This EMIM OTf ionic liquid (CAS 145022-44-2, 98% purity) offers a defined imidazolium/triflate composition with a low melting point (-10 °C) and high thermal stability (boiling behavior 671 °C), making it suitable for electrochemical and synthesis research. Its water solubility and density of 1.387 g/mL at 25 °C support aqueous handling and solvent compatibility screening, though the 100 g package and moisture sensitivity require careful storage and handling.
Positive
- Defined ionic composition: The EMIM cation paired with OTf anion provides a clear, reproducible basis for electrolyte, solvent, and reaction-medium studies, as stated in the product record.
- Wide liquid range and thermal stability: With a melting point of -10 °C and boiling behavior at 671 °C, the material offers a broad operational temperature window, supporting high-temperature electrochemical and synthesis applications.
Trade-offs
- Moisture and heat sensitivity: The product must be kept tightly closed in a cool, dry, well-ventilated area, protected from moisture, water contamination, heat, and direct sunlight, as per the handling instructions.
- Research-grade purity limitations: At 98% purity, trace impurities may affect reproducibility in sensitive electrochemical or catalytic studies, requiring users to verify compatibility and formulation for their specific experiments.
Every advanced material, component, equipment, and instrument in our catalog is backed by rigorous testing. We maintain strict internal quality management frameworks and align with CE conformity metrics to deliver transparent, reproducible performance data via our public open-science repository.
To request raw batch performance data, submit formal vendor registration paperwork, or execute a fast-turnaround R&D manufacturing loop, contact us at inquiry@atomfair.com.
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