Phenyl ether is an organic compound that consists of a phenyl group attached to an ether functional group. Its chemical formula is C₆H₅O, and it is commonly used as a solvent in various chemical reactions and processes. Phenyl ether is known for its stability and ability to dissolve a wide range of organic compounds. This compound is also referred to as diphenyl ether when two phenyl groups are present. It has applications in the production of certain plastics, resins, and as a heat transfer fluid. Due to its properties, phenyl ether is valuable in both industrial and laboratory settings.