Monobenzone

4-(Benzyloxy)phenol, or Monobenzone, is an organic chemical in the phenol family with chemical formula C₆H₅CH₂OC₆H₄OH. It is used as a topical drug for medical depigmentation. It is a colourless solid that is classified as the monobenzyl ether of hydroquinone. Monobenzone is soluble in alcohol, benzene, and diethyl ether, and practically insoluble in water.