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How to make Potassium Permanganate solution ?

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Potassium permanganate solution has several practical uses across various fields. Here are some common applications:

  1. Water Treatment:

    • Potassium permanganate is used for the treatment of water supplies. It can help control the growth of algae and other microorganisms in water, making it suitable for consumption.
  2. Disinfection:

    • The solution is an effective disinfectant, and it is sometimes used for disinfecting wounds and treating skin conditions. However, it should be used with caution, and its application on skin should be under the guidance of a healthcare professional.
  3. Stain Removal:

    • Potassium permanganate can be used to remove stains from fabrics. It is often employed to treat iron and manganese stains in laundry.
  4. Analytical Chemistry:

    • In laboratories, potassium permanganate is used as a reagent in various analytical procedures. It can be employed for titrations and other chemical analyses.
  5. Decomposition of Organic Matter:

    • Potassium permanganate is used to oxidize and decompose organic matter in certain chemical reactions. This property makes it useful in some laboratory and industrial processes.
  6. Fruit and Vegetable Preservation:

    • Potassium permanganate has been used as a preservative for fruits and vegetables. It can help prevent the growth of microorganisms and prolong the shelf life of perishable food items.
  7. Chemical Synthesis:

    • It is used in some chemical synthesis reactions, particularly those involving the oxidation of organic compounds.
  8. Wastewater Treatment:

    • Potassium permanganate is sometimes used in wastewater treatment to remove impurities and reduce odors.


Potassium permanganate (KMnO₄) is a strong oxidizing agent and can be used for various purposes, such as water treatment, disinfection, and laboratory experiments. Here's a general guide on how to prepare a potassium permanganate solution:

How to make Potassium Permanganate solution ?


  1. Potassium permanganate crystals (KMnO₄)
  2. Distilled water
  3. Glass container (avoid metal containers as potassium permanganate can react with them)


  1. Weighing the Potassium Permanganate:

    • Determine the amount of potassium permanganate you need for your solution. This will depend on the concentration you want to achieve. For example, to make a 1% solution, you would use 1 gram of potassium permanganate in 100 milliliters of water.
  2. Adding Potassium Permanganate to Water:

    • Start by adding a small amount of distilled water to your container. It's often easier to dissolve the crystals if you add them gradually.
    • Carefully add the weighed potassium permanganate crystals to the water. Stir the mixture using a glass rod or any non-reactive stirring implement.
  3. Dissolving Potassium Permanganate:

    • Continue stirring until the potassium permanganate crystals are completely dissolved. This may take some time, and you may need to crush the crystals to speed up the process.
  4. Adjusting Concentration:

    • If you need a specific concentration, you can adjust the amount of potassium permanganate or water accordingly. For example, to make a 0.1% solution, use 0.1 grams of potassium permanganate in 100 milliliters of water.
  5. Filtering (Optional):

    • If you notice any undissolved particles or impurities, you can filter the solution using a filter paper or a fine mesh to obtain a clear solution.
  6. Storage:

    • Store the solution in a tightly sealed, dark-colored glass container. Potassium permanganate solutions are sensitive to light, and exposure to light can cause the solution to decompose.

Remember to follow safety guidelines, and if you're not familiar with handling chemicals, it's advisable to seek guidance from a knowledgeable individual or professional. Additionally, be cautious about the concentration you are preparing, as higher concentrations can be more reactive and pose greater risks.

The uses of potassium permanganate can vary depending on its concentration. Here are examples of its uses at different strengths:

  1. Low Concentration (Dilute Solutions):

    • Water Treatment: In very low concentrations (e.g., a few milligrams per liter), potassium permanganate can be used to treat water for drinking by oxidizing and precipitating impurities.
  2. Moderate Concentration (1-5% Solutions):

    • Disinfection: A solution with a concentration of around 1-5% can be used for disinfecting wounds or treating skin conditions. This is done by soaking the affected area in a dilute solution.

    • Stain Removal: A moderately concentrated solution can be effective in removing stains from fabrics, particularly for iron and manganese stains in laundry.

    • Fruit and Vegetable Preservation: A weak solution may be used for the preservation of fruits and vegetables to prevent the growth of mold and bacteria.

  3. Higher Concentration (10% or Higher):

    • Analytical Chemistry: In laboratories, higher concentrations of potassium permanganate may be used for analytical purposes, such as in titrations to determine the concentration of reducing agents.

    • Chemical Synthesis: In some chemical synthesis reactions, a higher concentration of potassium permanganate may be required for oxidation of organic compounds.

    • Wastewater Treatment: Higher concentrations might be used in wastewater treatment processes to oxidize and remove organic and inorganic impurities.

    • Cleaning and Sterilization: Higher concentrations can be used for cleaning and sterilization purposes in certain industrial settings.

Remember that the specific concentration used will depend on the intended application, and it's crucial to follow guidelines and recommendations for each use case. Also, caution should be exercised when handling higher concentrations, as they can be more reactive and pose greater risks. Always use appropriate protective equipment and follow safety protocols.

If you wish to read little bit more about Potassium Permanganate please follow links to our blog posts:

Potassium Permanganate – Uses, Application – What You need to know?

Potassium Permanganate: An Essential Tool for Fish Tank Health

Potassium Permanganate - properties and application

HD Chemicals as trusted chemical supplier offer Potassium Permangante to buy online on UK market. Please be aware that we do not ship this product outside UK market due to locla regulations in EU countries. 

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