1,3 Dimethylimidazolium Dimethyl Phosphate, CAS: 654058-04-5

Key Applications:

Knoevenagel Condensation

Its polar, protic phosphate anion promotes efficient C–C bond formation by stabilizing carbanion intermediates and enhancing aldehyde activation. The ionic liquid functions as both solvent and catalytic medium, enabling higher selectivity, reduced by‑products, and simplified product isolation through phase separation or recyclability.

Esterification

The ionic liquid’s acidity and strong solvation environment accelerate esterification of alcohols and carboxylic acids. It supports both homogeneous and biphasic systems, improves reaction rates at lower temperatures, and can be reused across multiple cycles due to its thermal and hydrolytic stability.

Absorption Heat Pumps and Chillers

Its low vapor pressure, high thermal stability, and strong affinity for polar refrigerants make it suitable as an absorbent in absorption‑based cooling systems. The ionic liquid enhances cycle efficiency, broadens operating temperature windows, and offers a non‑volatile, corrosion‑resistant alternative to traditional salt‑based absorbents.

Thermal Batteries

The compound’s high thermal stability and favorable heat‑capacity profile support its use in thermal‑energy storage modules. It functions as a stable ionic medium for reversible heat absorption and release, enabling compact, long‑lifetime thermal batteries for industrial waste‑heat recovery, grid‑level storage, and portable thermal‑management systems.

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