1-Butyl-3-methylimidazolium chloride, CAS: 79917-90-1

Key Applications:

1. Biomass Dissolution and Processing

• Highly effective solvent for cellulose, hemicellulose, and lignin, enabling homogeneous dissolution and derivatization.
• Supports biomass fractionation workflows for biofuel, biopolymer, and platform‑chemical production.
• Facilitates pretreatment steps that improve enzymatic hydrolysis efficiency.

2. Desulfurization of Liquid Fuels

• Applied in extractive desulfurization of diesel, gasoline, and other hydrocarbon streams.
• Selectively removes thiophenic and refractory sulfur species under mild conditions.
• Compatible with recyclable extraction cycles, reducing solvent loss and process waste.

3. Electrochemistry and Electroanalytical Studies

• High‑conductivity medium for voltammetry, impedance spectroscopy, and redox‑mechanistic investigations.
• Stabilizes reactive intermediates and enhances signal resolution in electroanalytical measurements.
• Used to study electrode kinetics and ion‑transport behavior in ionic‑liquid environments.

4. Electrodeposition and Materials Fabrication

• Electrolyte component for controlled electrodeposition of metals, alloys, and semiconductors.
• Enables uniform, defect‑minimized coatings due to wide electrochemical stability and low volatility.
• Supports templated nanostructure growth and high‑purity metal film formation.

5. Corrosion Inhibition

• Functions as a corrosion‑inhibiting additive for steel, copper, and aluminum systems.
• Forms protective interfacial layers that suppress anodic and cathodic reactions.
• Used in ionic‑liquid‑based inhibitor formulations for harsh or high‑temperature environments.

6. Extraction and Separation Science

• Effective extractant for metal ions, dyes, sulfur compounds, and polar organics.
• Applied in liquid–liquid extraction, supported ionic‑liquid membranes, and selective partitioning systems.
• Enhances separation efficiency due to strong hydrogen‑bonding and tunable polarity.

7. Catalysis and Organic Synthesis

• Reaction medium for acid‑ and base‑catalyzed transformations, including alkylation, cyclization, and condensation.
• Improves catalyst stability and selectivity in homogeneous and biphasic systems.
• Supports recyclable catalytic phases for greener process design.

8. Polymer Science and Advanced Materials

• Solvent for polysaccharides, polyacrylonitrile, and other high‑polarity polymers.
• Enables homogeneous polymer modification and composite fabrication.
• Used in ion‑conductive polymer electrolytes and membrane development.

9. Nanomaterials and Colloid Stabilization

• Medium for synthesizing metal, oxide, and semiconductor nanoparticles with controlled morphology.
• Acts as a stabilizer and structure‑directing agent in templated nanomaterial growth.
• Facilitates dispersion of carbon nanotubes, graphene, and other nanocarbons.

10. Spectroscopy and Analytical Chemistry

• Solvent for NMR, IR, and UV‑Vis studies of solute–solvent interactions.
• Stabilizes reactive species during mechanistic investigations.
• Used in sample preparation workflows for polar and ionic analytes.

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