1-Methylimidazolium chloride, CAS: 35487-17-3

Key Applications

1. Catalysis and Organic Synthesis

• Functions as a polar, non‑volatile medium for acid‑ and base‑catalyzed reactions.
• Supports nucleophilic substitution, alkylation, and condensation reactions where imidazolium cations stabilize transition states.
• Useful as a precursor for synthesizing N‑alkylated imidazolium ionic liquids via anion metathesis.

2. Electrochemical Systems

• Serves as a component in ionic‑liquid‑based electrolytes for low‑temperature electrochemical studies.
• Enhances ionic conductivity in mixed‑solvent systems due to the small, highly mobile cation.
• Applied in electrodeposition research where chloride coordination influences metal nucleation behavior.

3. Materials Science and Polymer Processing

• Acts as a solvent or co‑solvent for cellulose, chitin, and other hydrogen‑bond‑rich biopolymers.
• Enables homogeneous dissolution for membrane casting, fiber spinning, and derivatization studies.
• Used in templating and directing the morphology of inorganic and hybrid materials.

4. Phase Behavior and Solvation Studies

• Serves as a model imidazolium salt for studying ion pairing, hydrogen bonding, and solvation dynamics.
• Frequently used in computational and spectroscopic benchmarking due to its simple cation structure.

5. Precursor for Functional Ionic Liquids

• Provides a starting point for synthesizing task‑specific ionic liquids through anion exchange (e.g., BF₄⁻, PF₆⁻, NTf₂⁻).
• Supports development of ionic liquids tailored for CO₂ capture, catalysis, and electrochemical applications.

6. Biochemical and Extraction Applications

• Applied in biphasic extraction systems for selective separation of metal ions and organic compounds.
• Investigated as a medium for enzyme stabilization and activity modulation in non‑aqueous environments.

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