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Potassium Permanganate know by its Empirical Formula KMnO4. It is a salt in which Manganese is in the +7 Oxidation State. Potassium permanganate is made up of 1 manganese atom surrounded by 4 oxygen atoms.
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Almost all applications of potassium permanganate are derived from it being an oxidizing agent in diverse chemical reactions in the laboratory and in industry.

 1. Disinfectant and Water Treatment
As an oxidant, potassium permanganate can act as a disinfectant. For example, dilute solutions are used as a treatment for canker sores (ulcers), disinfectant for the hands and treatment for mild pompholyx, dermatitis, and fungal infections of the hands or feet. Potassium permanganate, obtainable at pool supply stores, is used in rural areas to remove iron and hydrogen sulfide (rotten egg smell) from well and waste water.
When diluted to 0.01% solution, it can be used for cleansing and deodorizing suppurating eczematous reactions and wounds. It can also be used for treatment of athlete's foot at the same concentration. However, KMnO4 is an irritant to mucous membranes.
A 0.05% solution of potassium permanganate can be used to treat oral and sinus infections. When used to flush out sinuses its irritating effect is milder than that of saline solution, yet the antimicrobial effect is greater. Its effectiveness in gargling is similar to commercial mouthwash.
 2. Biomedical Uses
Dilute solution introduced into the uterus have been used to induce abortions. Insertion of the crystalline form as an abortifacient into the vagina has also been attempted, often resulting in severe injury.
A dilute solution of acidified potassium permanganate is used in histology to bleach melanin which obscures tissue detail. Potassium permanganate can also 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.
 3. Analytical Chemistry
Potassium permanganate can also be used to quantitatively determine the total oxidisable organic material in an aqueous sample. The value determined is known as the permanganate value. In analytical chemistry, a standardized aqueous solution of KMnO4 is sometimes used as an oxidizing titrant for redox titrations due to its deep purple colour. In a related way, it is used as a reagent to determine the Kappa number of wood pulp.
 4. Miscellaneous Uses
KMnO4 is employed to treat some parasitic diseases of fish and poultry, to get racing pigeons up to racing form (often referred to as the "fly or die" method as pioneered by the accomplished British racing pigeon breeder Kenny Johnson), in treatment of drinking water, as well as an antidote in phosphorus poisoning. A solution of 1 tablespoon powder in 4.25 gallons water is an old remedy for diarrhea in adult chickens.It can also be used for artistic purposes as an agent to prepare paper for fast bleaching. Lemon juice is enough to quickly remove colour from the paper and applied with a paint brush this can create interesting aesthetics.
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