Triethyl borate, with the CAS number 150 - 46 - 9, is a colorless, flammable liquid. It has a molecular formula of C6H15BO3 and a molecular weight of approximately 146.0 g/mol. The density of triethyl borate is around 0.868 g/mL at 25°C. It has a boiling point of about 117 - 118°C and a melting point of -84°C. This high - quality product is known for its excellent purity and stability, which makes it a reliable choice for various industrial and laboratory applications.
Triethyl borate has a wide range of applications. In the field of organic synthesis, it is used as a Lewis acid catalyst. It can promote a variety of chemical reactions, such as esterification, transesterification, and the formation of carbon - carbon bonds. In the production of pesticides and herbicides, triethyl borate serves as an important intermediate, helping to create more effective and environmentally friendly agricultural chemicals.
It is also used in the electronics industry. Triethyl borate can be used in the manufacturing of semiconductor materials, where its unique chemical properties help to improve the performance and reliability of electronic components. Additionally, in the field of energy storage, it has potential applications in the development of advanced battery technologies.
When using triethyl borate, it is essential to follow proper safety procedures. Since it is a flammable liquid, it should be stored in a cool, well - ventilated place away from sources of ignition. When handling, wear appropriate personal protective equipment, including gloves, safety glasses, and a lab coat.
In a laboratory setting, when using it as a catalyst, it is usually added in a controlled manner to the reaction mixture. The amount of triethyl borate used depends on the specific reaction and the scale of the experiment. It is often dissolved in an appropriate solvent before being added to the reaction system to ensure uniform distribution.
In industrial applications, similar safety precautions should be followed. The equipment used for processing triethyl borate should be properly maintained and designed to handle flammable substances. Regular inspections should be carried out to ensure the safety of the production process.
Case 1: Organic Synthesis in a Research Laboratory
A research group was working on the synthesis of a new pharmaceutical intermediate. They used triethyl borate as a catalyst in an esterification reaction. They added 5 mol% of triethyl borate to a mixture of carboxylic acid and alcohol in dichloromethane. The reaction was carried out at room temperature for 4 hours under continuous stirring. As a result, they achieved a high yield of the desired ester product with excellent purity. The use of triethyl borate significantly reduced the reaction time compared to traditional methods.
Case 2: Electronics Manufacturing
A semiconductor manufacturing company was looking for a way to improve the performance of their microchips. They incorporated triethyl borate into the process of depositing a thin film on the semiconductor surface. By carefully controlling the concentration and deposition conditions of triethyl borate, they were able to enhance the electrical conductivity and stability of the thin film. This led to an improvement in the overall performance of the microchips, reducing power consumption and increasing processing speed.
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