Question
Question: Is potassium permanganate a disinfectant?...
Is potassium permanganate a disinfectant?
Solution
Potassium permanganate is an inorganic compound that is made up of potassium, manganese, and oxygen. Its formula is KMnO4. In many places, it is used to wash fruits and vegetables and it was successful in extracting the species like Salmonella and Aeromonas which are infectious microbes.
Complete step-by-step answer: Potassium permanganate is an inorganic compound that is made up of potassium, manganese, and oxygen. Its formula is KMnO4. Its molecular mass is 158.034 g /mol. In solid form, it is purplish-bronze-grey needles, while in the solution forms its color is magenta-rose. It is an odorless compound and when dissolved in water it produces a very dark color.
There was an experiment performed in which vegetables, fruits, flowers, leaves, etc which contain pathogens like Salmonella and Aeromonas were washed with 0.1% potassium permanganate solution, especially from the coriander leaves. It was found that these microbes or pathogens extracted from the leaves for the first time were washed with KMnO4 solution and it is more effective than the sterile water.
Another property of potassium permanganate is its strong oxidizing agent. It also has disinfectant properties. When we make a solution of 1-5% potassium permanganate solution, then it is regarded as a disinfectant. Before the hypochlorites, KMnO4 was used to disinfectant the drinking water. In the market, it is even sold in packets of 1 g to be added in 1 L of water.
So, yes potassium permanganate is a disinfectant.
Note: It is also used for treating some infections like foot fungal infections, impetigo, wounds, dermatitis, tropical ulcers, etc. It is used as an oxidizing agent in many types of titrations.