1-Dodecyl-3-methylimidazolium bis(2,4,4-trimethylpentyl)phosphinate

Key Applications:

• Hydrophobic Extraction Solvent for Metal Ion Recovery

Its highly nonpolar bis(2,4,4‑trimethylpentyl)phosphinate anion enables selective extraction of trivalent and divalent metal ions from acidic and chloride‑rich matrices. The IL functions as a tunable replacement for traditional organophosphorus extractants in hydrometallurgy, rare‑earth separations, and closed‑loop recycling systems.

• Phase‑Transfer Medium for Organometallic Catalysis

The long‑chain imidazolium cation provides strong micelle‑like structuring, supporting biphasic catalytic systems where hydrophobic substrates require enhanced solubilization. It improves catalyst dispersion and can stabilize transition‑metal complexes under mild conditions.

• Surfactant‑Like Additive for Interfacial Engineering

The amphiphilic structure promotes ordered interfacial films, making it useful in tailoring wettability, stabilizing emulsions, and modifying solid–liquid interfaces in materials processing and nanostructure assembly.

• Hydrophobic Ionic Liquid for Electrochemical Systems

Its low water affinity and wide electrochemical window support use as a non‑volatile electrolyte component in hydrophobic or water‑sensitive electrochemical environments, including corrosion‑resistant coatings, ion‑selective membranes, and specialty capacitors.

• Solvent and Co‑Solvent for Biomolecule Extraction

The IL’s hydrophobicity and bulky phosphinate anion enable selective partitioning of lipids, hydrophobic metabolites, and membrane‑associated biomolecules. It is suitable for biphasic extraction systems requiring low water miscibility and high organic affinity.

• Template and Structure‑Directing Agent in Soft Materials

The long alkyl chain and bulky anion promote self‑assembly into ordered mesophases, supporting applications in templating porous materials, directing polymer morphology, and forming IL‑based gels.

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