1-Ethyl-2,3-dimethylimidazolium hexafluorophosphate, CAS: 292140-86-4

Key Applications:

Electrochemical Applications

• High‑voltage electrolytes for supercapacitors and electrochemical double‑layer capacitors.
• Non‑aqueous electrolyte component for advanced battery systems requiring wide electrochemical stability windows.
• Interfacial layer formation on carbon and metal electrodes to improve stability and conductivity.

Catalysis and Synthetic Chemistry

• Reaction medium for transition‑metal catalysis, enabling catalyst stabilization and biphasic separation.
• Solvent for organic transformations including alkylation, Diels–Alder reactions, Friedel–Crafts chemistry, and organometallic processes.
• Reduced cation acidity (due to 2,3‑dimethyl substitution) minimizes side reactions compared to EMIM‑PF₆.

High‑Temperature and Non‑Aqueous Processing

• Thermal‑stable medium for high‑temperature reactions and inert‑atmosphere operations.
• Hydrophobic extraction solvent for metal ions and hydrophobic organic compounds.
• Suitable for non‑aqueous separations requiring low volatility and chemical inertness.

Materials and Surface Engineering

• Medium for controlled polymerizations such as RAFT and ATRP.
• Stabilizing or templating environment for nanoparticle synthesis, carbon nanostructures, and MOF formation.
• Conductive, low‑volatility medium for electrodeposition and thin‑film processing.

Additives and Functional Materials

• Conductive additive for polymer matrices, coatings, and composites.
• Antistatic agent in plastics and surface treatments requiring controlled charge dissipation.

Analytical Chemistry

• Electrospray ionization (ESI) modifier to enhance ionization efficiency for selected analytes.
• Component in ionic‑liquid‑modified chromatographic stationary phases for tunable polarity and thermal stability.

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