1-Methylimidazolium nitrate, CAS: 156204-43-2

Key Applications:

1. Solvent and Reaction Medium

• Functions as a high‑polarity solvent for acid‑catalyzed and hydrogen‑bond‑driven transformations, including esterifications, nitrations, and dehydration reactions.
• Supports protic reaction environments, enabling enhanced rates in transformations that benefit from proton transfer or hydrogen‑bond stabilization.
• Useful for transition‑metal catalysis, where its coordinating yet compact structure minimizes steric hindrance around catalytic centers.

2. Hydrogen‑Bonding and Supramolecular Chemistry

• Exhibits strong hydrogen‑bond donor and acceptor interactions, making it suitable for studying solvation dynamics, ion pairing, and molecular recognition.
• Applied in self‑assembly and supramolecular host–guest systems, where its protic nature modulates assembly pathways and stabilizes charged intermediates.
• Enables spectroscopic investigations of hydrogen‑bond networks due to its well‑defined vibrational signatures and tunable acidity.

3. Biomass and Carbohydrate Processing

• Effective for dissolving and swelling lignocellulosic materials, particularly when hydrogen bonding assists in disrupting cellulose crystallinity.
• Supports pretreatment and fractionation workflows for biomass upgrading, including hemicellulose extraction and lignin modification.
• Serves as a medium for carbohydrate derivatization, where its protic character enhances solubility and reactivity.

4. Electrochemical and Materials Research

• Acts as a protic ionic liquid electrolyte for low‑temperature electrochemical studies, benefiting from its ionic conductivity and hydrogen‑bond‑mediated proton mobility.
• Used in thin‑film deposition, polymer doping, and ion‑transport studies, where nitrate contributes to redox‑active behavior.
• Supports nanomaterial dispersion and surface modification, especially for metal oxides and carbonaceous materials.

5. Separation Science

• Functions as a selective extraction medium for metal ions, leveraging hydrogen bonding and nitrate coordination to tune selectivity.
• Applied in liquid–liquid extraction, supported liquid membranes, and ion‑exchange systems requiring high polarity and controlled acidity.
• Useful for gas absorption studies, including NOx and SOx capture, where nitrate interactions influence uptake.

6. Energetic Materials and Nitration Chemistry

• Serves as a safe, nonvolatile ionic medium for studying nitrate‑based energetic formulations.
• Supports nitration reactions where its protic, hydrogen‑bonding environment stabilizes reactive intermediates.
• Used in thermal decomposition and combustion studies due to its well‑characterized nitrate chemistry.

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