This article provides a comprehensive breakdown of CAS 143314-16-3, focusing on the compound 1-Ethyl-3-Methylimidazolium Tetrafluoroborate. It delves into the chemical structure, properties, synthesis methods, applications, safety considerations, and environmental impact of this compound. By exploring these aspects, the article aims to offer a comprehensive understanding of 1-Ethyl-3-Methylimidazolium Tetrafluoroborate and its significance in various fields.
CAS 143314-16-3 refers to the chemical compound 1-Ethyl-3-Methylimidazolium Tetrafluoroborate. This compound is a type of ionic liquid, which is a class of salts that have melting points below 100°C. Ionic liquids are gaining significant attention due to their unique properties, such as high thermal stability, low volatility, and tunable physical and chemical properties. In this article, we will explore the various aspects of 1-Ethyl-3-Methylimidazolium Tetrafluoroborate, including its chemical structure, properties, synthesis, applications, safety, and environmental impact.
1-Ethyl-3-Methylimidazolium Tetrafluoroborate has the chemical formula (C2H5N2C2F4)BF4. It consists of an imidazolium cation (C2H5N2C2F4+) and a tetrafluoroborate anion (BF4-). The imidazolium cation is characterized by a planar structure with a nitrogen atom at the center, surrounded by four carbon atoms. The tetrafluoroborate anion is a stable and non-flammable salt. The compound exhibits ionic bonding, which contributes to its unique properties.
The physical properties of 1-Ethyl-3-Methylimidazolium Tetrafluoroborate include a low melting point of approximately -60°C and a boiling point of around 150°C. It is a colorless liquid at room temperature and has a density of approximately 1.5 g/cm³. The compound is also highly soluble in polar solvents such as water and alcohols.
The synthesis of 1-Ethyl-3-Methylimidazolium Tetrafluoroborate can be achieved through various methods. One common approach involves the reaction of ethylmethylimidazole with tetrafluoroboric acid. This reaction typically requires a catalyst to facilitate the formation of the imidazolium cation. Another method involves the reaction of ethylmethylimidazole with a tetrafluoroborate salt, such as potassium tetrafluoroborate, to directly form the desired compound.
The synthesis process requires careful control of reaction conditions, including temperature, pressure, and the presence of catalysts. The choice of synthesis method can affect the purity and yield of the final product.
1-Ethyl-3-Methylimidazolium Tetrafluoroborate finds applications in various fields due to its unique properties. One of the primary applications is in electrochemical systems, where it serves as an electrolyte. Its low melting point and high ionic conductivity make it suitable for use in batteries, supercapacitors, and fuel cells.
Additionally, the compound is used as a solvent in organic synthesis reactions. Its ability to dissolve a wide range of organic compounds makes it a valuable tool in the laboratory. Furthermore, it is employed in the extraction of metals from aqueous solutions due to its high selectivity and stability.
While 1-Ethyl-3-Methylimidazolium Tetrafluoroborate is considered relatively safe, it is important to handle it with caution. The compound is classified as a hazardous material due to its potential to cause irritation to the skin, eyes, and respiratory system. It is also flammable, although it has a high flash point.
Proper safety measures, such as wearing protective gloves, goggles, and a lab coat, should be taken when working with this compound. In case of accidental exposure, immediate medical attention should be sought.
The environmental impact of 1-Ethyl-3-Methylimidazolium Tetrafluoroborate is a subject of concern. The compound is not biodegradable and can persist in the environment for an extended period. It is also toxic to aquatic organisms, which can lead to bioaccumulation in the food chain.
Efforts are being made to develop more environmentally friendly alternatives to ionic liquids, including 1-Ethyl-3-Methylimidazolium Tetrafluoroborate. These alternatives aim to minimize the environmental impact while maintaining the desired properties for specific applications.
In conclusion, CAS 143314-16-3, or 1-Ethyl-3-Methylimidazolium Tetrafluoroborate, is a significant compound with a wide range of applications. Its unique properties, such as low melting point, high ionic conductivity, and tunable physical and chemical characteristics, make it valuable in various fields. However, it is important to consider the safety and environmental impact of this compound. By understanding its synthesis, properties, applications, and potential risks, we can make informed decisions regarding its use and development of safer alternatives.
Keywords: CAS 143314-16-3, 1-Ethyl-3-Methylimidazolium Tetrafluoroborate, ionic liquid, synthesis, applications, safety, environmental impact