Disinfectant and water remedy As an oxidant, potassium permanganate can act as a antiseptic. For example, dilute solutions are used to treat canker sores (ulcers), disinfectant for the hands and remedy for mild pompholyx, dermatitis, and fungal infections of the hands or feet.Potassium permanganate is used extensively in the water remedy industry. It is used as a regeneration chemical to take away iron and hydrogen sulfide , may be obtainable at pool supply stores, is used additionally to treat waste water. Historically it was once used to disinfect drinking water.It currently finds application in the regulate of nuisance organisms such as Zebra mussels in fresh water collection and remedy systems. Biomedical Related to using KMnO4 for water remedy, this salt is continuously employed as a specialized disinfectant for treating human and animal ailments. In histology, it is used to bleach melanin which obscures tissue detail. Potassium permanganate can be used to differentiate amyloid AA from other types of amyloid pathologically deposited in body tissues. Incubation of fixed tissue with potassium permanganate will prevent amyloid AA from staining with congo red whereas other types of amyloid are unaffected.Permanganate washes were once used to treat gonorrhea and are still used to treat candidiasis. Organic synthesis Except its use in water remedy, the other major application of KMnO4 is as a reagent for the synthesis of organic compounds. Significant amounts are required for the synthesis of ascorbic acid, chloramphenicol, saccharin, isonicotinic acid, and pyrazinoic acid. Fruit Preservation Addition of potassium permanganate substrated to banana shipments adsorbs the ethylene and doubles the fruit ripening period. Survival kits Up to now potassium permanganate was once included in survival kits: as a water sterilizer and for creating distress signals on snow.