1-Heptyl-3-methylimidazolium hexafluorophosphate, CAS: 357915-04-9

Key Applications:

Advanced Solvent & Extraction Medium

• Hydrophobic ionic liquid suitable for liquid–liquid extraction of metal ions, aromatic hydrocarbons, dyes, and bioactive molecules.
• Enables selective partitioning due to tunable polarity and strong phase separation from water.
• Used in supported ionic liquid phases (SILPs) for continuous extraction and catalytic separations.

Electrochemical & Energy Storage Systems

• Serves as a non‑volatile electrolyte or electrolyte additive in supercapacitors and electrochemical cells.
• High electrochemical stability window supports high‑voltage operation and improved charge–discharge cycling.
• Useful in ionic‑liquid‑based gels and polymer electrolytes for flexible or solid‑state devices.

Catalysis & Reaction Media

• Effective as a green reaction medium for transition‑metal catalysis, biphasic catalysis, and organocatalysis.
• Enhances reaction rates and selectivity in alkylation, oxidation, and coupling reactions.
• Recyclable solvent that supports low‑waste process intensification.

Thermal & Process Fluids

• High thermal stability and negligible vapor pressure make it suitable for heat‑transfer applications, sealed systems, and high‑temperature synthesis.
• Used in thermochromic and thermoresponsive systems where ionic‑liquid polarity shifts influence material behavior.

Biomass & Polymer Processing

• Facilitates dissolution and fractionation of lignocellulosic biomass, enabling downstream conversion to fuels and chemicals.
• Acts as a solvent or plasticizer in polymer modification, including cellulose, chitin, and specialty engineering polymers.

Surface Science & Materials Engineering

• Employed as a template or structuring agent in nanoparticle synthesis, mesoporous materials, and thin‑film fabrication.
• Supports lubrication and anti‑wear coatings due to strong interfacial interactions and hydrophobicity.
• Useful in ionic‑liquid‑based surfactant systems for emulsions and dispersions.

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