1-
Ethyl-3-methylimidazolium Chloride (EMIM Cl)
High-Performance Ionic Liquid for Advanced Industrial and Green Chemistry Applications
1-Ethyl-3-methylimidazolium Chloride, a room-temperature ionic liquid (RTIL), is a colorless to pale yellow hygroscopic crystalline solid or viscous liquid. It exhibits excellent solubility in polar solvents (water, ethanol) , while being immiscible with non-polar solvents. With a melting point of 87-90°C and thermal stability up to 300°C under inert conditions, EMIM Cl combines low volatility with high ionic conductivity (>10 mS/cm at 25°C). The compound complies with REACH and ISO 9001 standards.
Key industrial applications include:
Green Chemistry:
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Solvent/catalyst for cellulose dissolution and biomass processing.
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Reaction medium for Friedel-Crafts alkylation and Diels-Alder reactions.
Energy Storage:
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Electrolyte additive for lithium-ion batteries and supercapacitors.
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Ionic conductor in dye-sensitized solar cells (DSSCs).
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Co-solvent for poorly water-soluble APIs .
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Stabilizer for protein formulations.
Electroplating:
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Non-aqueous electrolyte for aluminum and alloy coatings.
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Surface finishing agent for nanocrystalline metals.
| Melting point | 77-79 °C(lit.) |
| Density | 1.435 g/cm3 |
| vapor pressure | 0Pa at 20-50ºC |
| Flash point | |
| storage temp. | Store below 30°C. |
| form | Agglomerating Crystalline Powder |
| Water Solubility | Soluble in water. |
| Sensitive | Hygroscopic |
| BRN | 5163190 |
| Stability | Stable. Very hygroscopic. Incompatible with strong oxidizing agents. |
| LogP | -2.6 at 23ºC and pH6.6 |
| CAS DataBase Reference | 65039-09-0(CAS DataBase Reference) |
| FDA UNII | PH90AQ1E93 |
| EPA Substance Registry System | 1H-Imidazolium, 3-ethyl-1-methyl-, chloride (1:1) (65039-09-0) |