1-Butyl-3-methylimidazolium bromide (CAS 85100-77-2) is a well - known ionic liquid. Its chemical formula is C₈H₁₅BrN₂. It appears as a white to off - white solid under normal conditions, with a high degree of purity when provided in high - quality form. This product is characterized by its relatively low melting point, good thermal stability, and high conductivity. It is soluble in many polar solvents, which makes it an ideal candidate for various chemical processes. The high - quality version of this product available at the best price ensures that it meets strict quality control standards, with low levels of impurities that could potentially interfere with its performance in applications.
2.1 Organic Synthesis: In organic synthesis, 1 - Butyl - 3 - methylimidazolium bromide can be used as a reaction medium. Its unique ionic environment can promote reactions such as substitution and addition reactions, and it can also help in phase transfer catalysis. It provides a stable and selective reaction environment, which can improve the yield and selectivity of the reaction.
2.2 Electrochemistry: In the field of electrochemistry, this ionic liquid can be used as an electrolyte. Its high conductivity and good stability allow for better performance in batteries and supercapacitors. It can enhance the charge - discharge efficiency and cycle life of energy storage devices.
2.3 Extraction and Separation: It can be used as an extraction agent in extraction and separation processes. Due to its special solubility and interaction with different substances, it can selectively extract certain target substances from mixtures, which is very useful in the fields of environmental protection and chemical production.
3.1 Storage: This product should be stored in a cool, dry place, away from direct sunlight and heat sources. It is recommended to store it in a tightly sealed container to prevent moisture absorption and contact with air.
3.2 Handling: When handling 1 - Butyl - 3 - methylimidazolium bromide, appropriate personal protective equipment (PPE) should be worn, such as gloves and safety glasses. Avoid inhalation of dust or vapors. If contact with skin or eyes occurs, rinse immediately with plenty of water and seek medical attention if necessary.
3.3 Dissolving: When using it as a reaction medium or an electrolyte, it needs to be dissolved in a suitable solvent. It is important to add it slowly to the solvent while stirring constantly to ensure uniform dissolution.
4.1 Case in Organic Synthesis: A research team was conducting a nucleophilic substitution reaction. They used 1 - Butyl - 3 - methylimidazolium bromide as the reaction medium. Compared with traditional organic solvents, the reaction rate was significantly increased, and the yield of the target product was raised from 60% to 80%. The unique ionic environment provided by the ionic liquid promoted the activation of the reactants and the formation of the transition state, resulting in a more efficient reaction.
4.2 Case in Electrochemistry: In a battery research project, 1 - Butyl - 3 - methylimidazolium bromide was used as an electrolyte additive. The charge - discharge efficiency of the battery was improved by 15%, and the cycle life was extended by about 20%. The high conductivity of the ionic liquid enhanced the ion transport in the battery, reducing the internal resistance and improving the overall performance of the battery.
4.3 Case in Extraction: In an environmental pollution treatment project, this ionic liquid was used to extract heavy metal ions from wastewater. It showed high selectivity for certain heavy metal ions, such as copper and lead. The extraction efficiency reached over 90%, which effectively reduced the concentration of heavy metal ions in the wastewater, meeting the environmental discharge standards.
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