1-Ethyl-3-methylimidazolium iodide (EMIM I), 98%, Ionic Liquid
Product Introduction
1-Ethyl-3-methylimidazolium iodide (EMIM I), 98%, Ionic Liquid is a research ionic liquid ionic liquid identified in the supplied product record as 1-Ethyl-3-methylimidazolium with Iodide (I). The record lists CAS number 35935-34-3, molecular formula C6H11IN2, purity 98%, package 100g.
The material is used in laboratory research in organic synthesis, catalysis, electrochemistry, electrodeposition, and molten-salt studies. Use as a reaction medium or electrolyte component. Confirm moisture sensitivity, compatibility, and operating conditions 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 79 °C.
Technical Specifications
| Parameter | Specification |
|---|---|
| Product Name | 1-Ethyl-3-methylimidazolium iodide (EMIM I), 98%, Ionic Liquid |
| CAS No. | 35935-34-3 |
| Cation | 1-Ethyl-3-methylimidazolium |
| Anion | Iodide (I) |
| Molecular Formula | C6H11IN2 |
| Molecular Weight | 238.07 g/mol |
| Purity | 98% |
| Grade | Research Ionic Liquid |
| Physical State / Appearance | Solid;Color:White |
| Melting Point | 79 °C |
| 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. Handle it only in accordance with 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. |
This ionic liquid is moisture-sensitive and must be stored in a tightly sealed container in a cool, dry, ventilated area away from heat and direct sunlight. Water contamination or elevated temperatures can degrade the material and compromise its performance in electrochemical or synthetic applications.
- Moisture Sensitivity: Protect the material from moisture and water contamination to prevent hydrolysis or degradation.
- Temperature Stability: Store below 25 °C to avoid melting or thermal decomposition, as the melting point is 79 °C.
- Light Protection: Keep the container away from direct sunlight to prevent photochemical degradation.
- Container Integrity: Maintain the container tightly closed when not in use to preserve anhydrous conditions.
What are the key performance trade-offs when using EMIM I as an electrolyte component compared to other EMIM-based ionic liquids?
The iodide anion in EMIM I provides a distinct redox chemistry and ion-coordination profile compared to dicyanamide, dimethyl phosphate, or methylsulfate analogues, which is critical for electrochemical and electrodeposition studies. However, the 98% purity and water solubility may introduce moisture sensitivity and limit performance in strictly anhydrous or high-voltage applications. The melting point of 79 °C and solid white appearance at room temperature also require thermal management for handling and use as a molten-salt medium.
What are the compatibility and integration constraints when using EMIM I in battery or energy-storage research?
EMIM I is suitable for electrolyte composition and ion-coordination studies, but its water solubility and moisture sensitivity require strict exclusion of water to prevent iodide oxidation or hydrolysis. The material's solid state at room temperature (melting point 79 °C) may necessitate heating or dissolution in a compatible solvent for integration into liquid electrolyte formulations. Researchers must confirm compatibility with electrode materials, current collectors, and cell components, as the iodide anion can be redox-active and may participate in side reactions.
What are the handling, storage, and safety requirements for EMIM I in a laboratory setting?
Store EMIM I in a tightly closed container in a cool, dry, well-ventilated area, protected from moisture, water contamination, heat, and direct sunlight. Use appropriate personal protective equipment and handle only in accordance with the SDS, as the material is moisture-sensitive and may release hazardous iodine species upon decomposition. Keep the container closed when not in use and avoid inhalation or skin contact, following standard laboratory safety protocols for ionic liquids.
This EMIM I ionic liquid (CAS 35935-34-3, 98% purity) is a solid imidazolium iodide salt with a 79 °C melting point and water solubility, making it suitable for electrolyte, electrodeposition, and molten-salt research. Its iodide anion introduces redox activity and moisture sensitivity, requiring strict anhydrous handling and compatibility screening before use.
Positive
- Defined ionic composition: The 1-ethyl-3-methylimidazolium cation paired with iodide provides a clear, reproducible basis for electrolyte, solvent, and reaction-medium studies, enabling controlled comparison across formulations.
- Declared 98% purity: The stated 98% purity supports consistent material selection for research trials, reducing batch-to-batch variability in electrochemical or catalytic experiments.
Trade-offs
- Moisture and heat sensitivity: The product must be protected from moisture, water contamination, heat, and direct sunlight, requiring storage in a tightly closed container in a cool, dry, well-ventilated area to maintain integrity.
- Iodide redox activity: The iodide anion is redox-active, which may introduce unwanted side reactions in electrochemical or battery applications, necessitating compatibility screening before use.
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