1-Butyl-3-methylimidazolium trifluoroacetate, CAS: 174899-94-6

Key Applications:

Biomass Dissolution & Fractionation

• Efficient solvent for lignocellulosic biomass pretreatment, enabling selective dissolution of cellulose, hemicellulose, and lignin.
• Supports high‑yield extraction of fermentable sugars for biofuel and bioproduct pathways.
• Useful in delignification workflows where acetate‑based ionic liquids outperform chloride analogues in reducing polymer degradation.

Catalysis & Organic Synthesis

• Serves as a polar, non‑volatile reaction medium for acid‑catalyzed transformations, esterifications, and carbon–carbon bond‑forming reactions.
• Enhances reaction rates and selectivity in Brønsted‑acid‑driven processes due to the trifluoroacetate anion’s tunable acidity.
• Supports recyclable catalytic systems in green‑chemistry workflows.

CO₂ Capture & Gas Separation

• Demonstrates strong CO₂ solubility and selectivity, making it suitable for absorption‑based carbon capture studies.
• Applicable in membrane‑assisted separations where ionic‑liquid additives improve permeability and stability.

Polymer Processing & Material Modification

• Effective solvent or co‑solvent for cellulose regeneration, polymer blending, and surface modification.
• Enables fabrication of cellulose films, fibers, and composites with controlled morphology.
• Useful in stabilizing metal nanoparticles and polymer–nanoparticle hybrids.

Electrochemical Systems

• Functions as a conductive, thermally stable electrolyte component in electrochemical cells.
• Supports redox‑active species in electrosynthesis and electrodeposition studies.
• Suitable for moderate‑temperature electrochemical environments where low volatility is required.

Extraction & Separation Science

• Facilitates selective extraction of metal ions, organic acids, and bioactive compounds.
• Useful in biphasic ionic‑liquid/aqueous systems for purification and enrichment workflows.

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