Potassium permanganate is used as a wet dressing for wounds on your skin's surface that are blistered or oozing pus. Potassium permanganate is used extensively in the water treatment industry. In the same sense, potassium permanganate is also extensively used for medical purposes including as an antiseptic and fungicide. Potassium Permanganate is also known as permanganate of potash or Condy's crystals. Used occasionally for bulbs and rhizomes, and for dipping grafting knives and other tools. Potassium Permanganate - KMnO4 is the chemical formula of Potassium permanganate, which is most commonly used as an oxidising agent in volumetric.