1-Ethyl-3-methylimidazolium dimethyl phosphate, CAS: 945611-27-8

Key Applications:

Green Solvent for Biomass Processing

• Efficient dissolution of cellulose, hemicellulose, and lignin for fractionation and valorization workflows.
• Supports pretreatment steps for bioethanol, bioplastics, and lignocellulosic feedstock upgrading.
• Compatible with enzymatic hydrolysis systems due to relatively low toxicity compared to halide ILs.

Catalysis & Organic Synthesis

• Acts as a polar, non‑volatile reaction medium for acid‑catalyzed and base‑catalyzed transformations.
• Enhances rates and selectivity in esterification, transesterification, and nucleophilic substitution reactions.
• Useful in biphasic catalysis where product separation is facilitated by IL immiscibility tuning.

Thermal Fluids & Heat‑Transfer Media

• High thermal stability and low vapor pressure make it suitable for controlled‑temperature reaction systems.
• Employed in calorimetry, thermal storage studies, and as a safe alternative to volatile organic heat‑transfer fluids.

Polymer & Materials Processing

• Solvent and plasticizer for biopolymers such as chitosan, starch, and cellulose derivatives.
• Supports homogeneous polymer functionalization and nanoparticle dispersion.
• Used in membrane casting and ion‑conductive polymer gel formation.

Electrochemical & Energy Applications

• Serves as a component in proton‑conducting electrolytes for fuel cells and electrochemical devices.
• Phosphate anion contributes to stable ionic conductivity and reduced flammability.
• Investigated in redox‑flow systems and hybrid electrolytes where hydrophilicity is advantageous.

Extraction & Separation Processes

• Effective medium for selective extraction of metal ions, dyes, and bioactive compounds.
• Supports aqueous biphasic systems (ABS) with tunable polarity for gentle biomolecule separations.
• Useful in CO₂ capture studies due to hydrogen‑bonding interactions with acidic gases.

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