1-Butyl-3-methylimidazolium bromide ([BMIM]Br) is a neutral ionic liquid. It has the features of Low Volatility,High Dissolving Power and Recyclability. It is chemically stable and can be used in various applications without significant degradation. [BMIM]Br is a versatile, low-cost ionic liquid with applications from catalysis to energy storage. While moderately toxic, its non-flammability and solvent power make it superior to traditional organic solvents.
Key Features
Low volatility (non-flammable under normal conditions).
High polarity – good solvent for organic/inorganic compounds.
Electrochemical stability – useful in electrochemistry.
Application
1.Organic Synthesis
[BMIM]Br can be used as a solvent or reaction medium in organic synthesis, applicable in various organic reactions such as the Heck reaction. Additionally, it can serve as a solvent for the preparation of 1,2,4,5-substituted imidazoles.
2.Catalyst
[BMIM]Br can act as a catalyst, for example, in the catalysis of sugar glycolysis under microwave irradiation. As an ionic liquid catalyst, it has the advantages of high efficiency and recyclability.
3.Sensor Materials
[BMIM]Br can undergo a gelation reaction with gelatin to form an ionogel. This quasi-solid material can be used in chemiresistive gas sensors.
4.Pharmaceutical Intermediates
[BMIM]Br can also be used in the synthesis of pharmaceutical intermediates and is an important raw material in the field of biopharmaceuticals.
5.Other Applications
[BMIM]Br can be used to study the physicochemical properties of ionic liquids, such as density modeling and surface tension in water.
Synthesis Method
1-Butyl-3-methylimidazolium bromide can be synthesized by reacting 1-bromobutane with imidazole under appropriate conditions.
Storage
Sealed container under dry nitrogen (avoid moisture)
