1-Hexylpyridinium chloride, CAS: 6220-15-1

Key Applications:

Electrochemistry & Energy Systems

• Supporting electrolyte for non‑aqueous electrochemical studies requiring wide electrochemical windows.
• Medium for metal and alloy electrodeposition, improving film uniformity and reducing dendritic growth.
• Conductive phase for redox systems, corrosion studies, and ionic‑liquid‑based capacitors.

Catalysis & Organic Synthesis

• Reaction medium for transition‑metal‑catalyzed C–C and C–N bond‑forming reactions.
• Enhances phase‑transfer catalysis, especially for hydrophobic substrates.
• Suitable for microwave‑assisted synthesis due to high polarity and thermal stability.

Extraction, Separation & Solvent Systems

• Solvent for liquid–liquid extraction of metal ions, aromatics, and hydrophobic organics.
• Co‑solvent in biphasic systems requiring adjustable polarity.
• Supports selective partitioning of biomolecules and specialty chemicals.

Materials Science & Surface Engineering

• Additive in polymer blends and composites to tune conductivity, plasticity, and thermal behavior.
• Templating agent for nanoparticle and mesoporous material synthesis.
• Used in surface functionalization of inorganic substrates.

Analytical Chemistry

• Mobile‑phase additive in chromatography to improve peak shape and separation of ionic or hydrophobic analytes.
• Employed in sample‑prep workflows for extraction and pre‑concentration.

Interfacial & Surface‑Tension Applications

• Acts as a surface‑active ionic liquid, reducing surface tension in aqueous and mixed‑solvent systems.
• Used to stabilize foams, emulsions, and dispersions, especially where ionic strength and hydrophobic chain length influence interfacial behavior.
• Improves wetting, spreading, and coating uniformity on metals, ceramics, and polymeric surfaces.
• Supports studies of interfacial charge, micelle formation, and aggregation behavior in soft‑matter and colloidal systems.
• Useful in microfluidic and droplet‑based platforms where controlled surface tension is required for droplet formation and stability.

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