Methyltrioctylphosphonium methylcarbonate, CAS: 1204316-79-9

Key Applications:

Phase‑Transfer Catalysis (PTC)

• Facilitates nucleophilic substitutions, condensations, and alkylations in biphasic organic–aqueous systems
• Enhances reaction rates for carbonate‑mediated transformations and CO₂‑activated pathways
• Useful in greener PTC processes due to low vapor pressure and recyclability

CO₂‑Responsive Reaction Media

• Serves as a reversible CO₂‑binding medium for carbon capture research and CO₂‑triggered reaction control
• Supports studies on ionic liquid–CO₂ equilibria and carbonate‑based activation mechanisms

Extraction and Separation Processes

• Effective for liquid–liquid extraction of metal ions, hydrophobic organics, and specialty molecules
• Suitable for designing tunable solvent systems for selective separations
• Compatible with supported ionic liquid phases (SILPs) for continuous extraction

Polymer and Materials Synthesis

• Functions as a non‑volatile solvent or co‑solvent for polymerization and surface‑modification reactions
• Enables templating and dispersion of nanoparticles, fillers, and functional additives
• Useful in preparing ion‑conductive or CO₂‑responsive polymer matrices

Electrochemical and Energy Applications

• Acts as a hydrophobic electrolyte component for low‑moisture electrochemical systems
• Supports studies on ionic conductivity, ion‑pairing, and interfacial behavior in carbonate‑based ionic liquids

Catalysis and Mechanistic Studies

• Provides a controlled, low‑volatility medium for probing reaction kinetics and ion‑pair effects
• Useful for mechanistic investigations involving carbonate nucleophiles and phosphonium cations

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