Applications of 1-Butyl-3-Methylimidazolium Chloride (CAS: 79917-90-1)

1. Organic Synthesis & Catalysis

1. Reaction Solvent
    

   It replaces traditional volatile organic solvents for addition, substitution, condensation, redox, coupling and other organic reactions. It improves reaction selectivity and yield, and is recyclable to reduce VOC emissions.

2. Catalyst & Cocatalyst
    

   With inherent Lewis acidity, it is used alone or combined with metal salts and organic acids to catalyze esterification, etherification, cyclization and Friedel-Crafts reactions. It is commonly applied in the synthesis of fine chemicals, pharmaceutical intermediates and pesticide intermediates.

3. Auxiliary for Chiral Synthesis
    

   Serves as reaction medium for asymmetric catalytic synthesis to enhance the purity of chiral products.

2. Chemical Separation & Extraction

1. Liquid-Liquid Extraction
    

   It performs well in the separation of aromatic hydrocarbons and alkanes, desulfurization and denitrification of petroleum products, and extraction of metal ions for oil refining. It also extracts phenols, dyes, antibiotics and other substances from water.

2. Additive for Distillation & Extractive Distillation
    

   It adjusts the relative volatility of components to realize efficient separation of azeotropic and hard-to-separate systems.

3. Extraction of Natural Products
    

   Used to extract flavonoids, alkaloids, essential oils, polysaccharides and other active ingredients from plants, delivering higher extraction rate and better environmental friendliness than conventional solvents.

3. Electrochemistry & Battery Materials

1. Electrolyte Component
    

   Thanks to high conductivity and wide electrochemical window, it is applied in electrolytes for supercapacitors, lithium-ion batteries, aluminum batteries and electrochemical sensors, improving device stability and low-temperature performance.

2. Electroplating & Electrodeposition
    

   Acts as solvent and conductive medium in electroplating solutions for metal and alloy electrodeposition, producing uniform and dense coatings.

4. Polymer Industry

1. Polymerization Medium
    

   Used in radical polymerization, ionic polymerization and ring-opening polymerization to produce functional polymers, resins and rubbers, and regulate molecular weight and molecular weight distribution.

2. Polymer Modifier
    

   Added into plastics, fibers and composite materials to improve antistatic property, flame retardancy and thermal stability; also used as polymer plasticizer.

3. Dissolution & Regeneration
    

   Dissolves natural macromolecules such as cellulose, lignin and chitosan for the preparation of regenerated cellulose fibers and bio-based materials.

5. Pharmaceutical, Daily Chemical & Biological Fields

1. Drug Solubilizer & Carrier
    

   Enhances the solubility of poorly soluble drugs for pharmaceutical formulation research, and acts as reaction medium in drug synthesis.

2. Biocatalysis
    

   Serves as non-aqueous medium for enzymatic reactions to maintain enzyme activity, applied in biotransformation and enzymatic synthesis.

3. Daily Chemical Additive
    

   Used as humectant and antistatic agent in qualified daily chemical formulas.

6. Analytical Testing & Laboratory Use

1. Chromatographic Analysis
    

   Used as stationary phase for gas chromatography and mobile phase additive for liquid chromatography to optimize separation efficiency.

2. Sample Pretreatment
    

   Applied in solid-phase extraction and microextraction to enrich trace pollutants in environmental water, soil and food samples.

7. Other Industrial Applications

1. Lubrication & Heat Conduction
    

   Used as high-temperature lubricant and heat transfer fluid for high-temperature equipment in metallurgy and machinery industry due to high temperature resistance and non-volatility.

2. Flue Gas Treatment
    

   Functions as auxiliary for industrial flue gas desulfurization and decarbonization to absorb acidic gases such as sulfur dioxide and carbon dioxide.

3. Additive for Inks & Coatings
    

   Improves electrical conductivity, leveling property and antistatic performance of inks and coatings.