The intense colors shown in this photo are formed by the exothermic oxidation of ethanol with potassium permanganate in the presence of concentrated sulfuric acid. Murilo Sérgio da Silva Julião is a ...

Manganese metal looks like, uh, nothing special. A shiny metal. But some of the chemical compounds that contain the element are very special. One, potassium permanganate may have been the inspiration ...

Water turned pink in a small Canadian town this week after a faulty valve allowed the disinfectant potassium permanganate to seep into the water supply. The color looks alarming, but the chemical ...