What is a Diphenyl Ether?

Diphenyl ether (C₆H₅O-C₆H₅) is an organic compound classified as an ether. It consists of two phenyl groups (C₆H₅) connected by an oxygen atom (O). It appears as a colorless or pale yellow liquid and is relatively stable with low volatility and chemical stability. Due to its thermal stability, diphenyl ether is commonly used as an insulating liquid and heat transfer medium in high-temperature applications. It is frequently employed in electrical equipment and transformers as a cooling agent, and it is also used in the production of synthetic resins and as an additive in rubber.

In addition, diphenyl ether is used as a solvent and can dissolve a wide range of organic compounds. It is utilized in several chemical reactions and manufacturing processes as a reaction solvent or intermediate. Diphenyl ether is generally easy to handle and chemically stable, making it useful in various industrial fields. However, prolonged contact or inhalation of large amounts may pose health risks, so appropriate precautions should be taken during handling.

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