Potassium permanganate (KMnO4) is a powerful oxidizing agent with a wide range of applications across industries, from water treatment to skincare and agricultural use. With a purity level of 99.9%, this chemical is highly effective for various treatments, including disinfection, deodorization, and oxidation.
For those in the UK market looking for a reliable supplier, HD Chemicals is a top choice, providing high-quality potassium permanganate 99.9% for both commercial and industrial needs.
This guide will cover everything you need to know about potassium permanganate, including its applications, how to dilute it properly, and its practical treatments using the metric scale.
What is Potassium Permanganate 99.9%?
Potassium permanganate is a chemical compound consisting of potassium (K), manganese (Mn), and oxygen (O4). It is known for its intense purple color and strong oxidizing properties, making it a versatile tool for purification and treatment applications.
Key Properties of Potassium Permanganate 99.9%
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Chemical Formula: KMnO4
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Molecular Weight: 158.034 g/mol
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Appearance: Dark purple or almost black crystalline solid
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Solubility: Soluble in water, forming a deep purple solution
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Oxidizing Agent: Reacts with organic materials and bacteria, breaking them down effectively
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Stability: Stable under normal storage conditions
Due to these properties, potassium permanganate is widely used for cleaning, sanitization, and water treatment.
Uses of Potassium Permanganate 99.9%
1. Water Treatment and Purification
Potassium permanganate is extensively used in water treatment plants to remove iron, manganese, and hydrogen sulfide from drinking water. It also helps to control taste and odor issues in water systems.
Dilution & Dosage:
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For iron removal: 1 mg/L (milligram per liter) of KMnO4
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For manganese removal: 1.3 mg/L
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For hydrogen sulfide removal: 3-5 mg/L
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Mix thoroughly and allow at least 10-15 minutes of reaction time before filtration.
2. Disinfection and Antiseptic Use
Potassium permanganate acts as a disinfectant and antiseptic, commonly used for treating wounds, fungal infections, and eczema.
Dilution for Medical Use:
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For wound cleaning: 0.01% solution (100 mg in 1 liter of water)
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For foot soaks (athlete’s foot treatment): 0.1% solution (1 g in 1 liter of water)
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Ensure complete dissolution and apply for 10-15 minutes.
3. Agricultural Use and Soil Treatment
KMnO4 is used in agriculture to treat seeds, disinfect soil, and prevent fungal growth.
Dilution for Agricultural Use:
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Seed treatment: 0.5 g/L of water (soak seeds for 30 minutes)
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Soil disinfection: 2 g/L of water (spray evenly across soil)
4. Aquarium and Fish Tank Treatment
It is used to eliminate bacteria, parasites, and algae in fish tanks and ponds.
Dosage:
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2 mg/L for general disinfection
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10 mg/L for strong parasite treatment (with caution, for short-term exposure only)
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Allow at least 30 minutes before neutralizing with dechlorinator.
5. Industrial and Textile Applications
Potassium permanganate is utilized in industries for dyeing, bleaching, and leather tanning.
6. Odor Control in Wastewater Treatment
It helps remove odors from sewage and industrial wastewater by oxidizing organic contaminants.
Dosage:
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5-10 mg/L for odor control in wastewater
7. Swimming Pool Maintenance
Potassium permanganate helps remove organic impurities and control bacterial growth.
Recommended Dosage:
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2-4 mg/L for effective water oxidation
How to Properly Dilute Potassium Permanganate
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Always wear gloves and protective eyewear before handling KMnO4.
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Use distilled or tap water for dilution.
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Start with a low concentration and gradually increase as required.
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Stir continuously until the crystals dissolve completely.
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Avoid direct skin contact, as it can cause stains or mild burns.
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Store the solution in a labeled container away from heat and direct sunlight.
Safety Precautions When Using Potassium Permanganate
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Keep away from organic materials, as it is a strong oxidizer and may cause combustion.
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Avoid inhaling dust or fumes.
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Do not mix with acids or other chemicals without proper knowledge.
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Flush with water immediately if contact occurs with skin or eyes.
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Store in a dry and cool place to prevent degradation.
Where to Buy Potassium Permanganate 99.9% in the UK?
For those looking for a high-quality supplier, HD Chemicals offers potassium permanganate 99.9% at competitive prices. With a strong reputation in the UK market, HD Chemicals provides industrial, agricultural, and laboratory-grade KMnO4, ensuring purity and effectiveness.
Frequently Asked Questions (FAQs)
1. Is potassium permanganate safe to use?
Yes, when used correctly and in recommended concentrations, it is safe for water treatment, medical, and agricultural applications.
2. Can potassium permanganate be used for drinking water purification?
Yes, but only in controlled amounts. Excessive use can lead to manganese toxicity.
3. How do I remove potassium permanganate stains from skin?
Use a mixture of vinegar and water or lemon juice to remove stains.
4. What happens if I accidentally ingest potassium permanganate?
Seek medical attention immediately, as ingestion can cause serious health issues.
5. Can potassium permanganate be used to treat fungal infections?
Yes, a diluted solution (0.01%) can help treat fungal skin infections.
6. How long does it take for potassium permanganate to work in water treatment?
It usually takes 10-15 minutes for KMnO4 to react with contaminants.
7. Can I use potassium permanganate to clean fruits and vegetables?
Yes, but only in very low concentrations (0.01%) to remove bacteria and pesticides.
8. Is potassium permanganate flammable?
No, but it is a strong oxidizer and can cause combustion in contact with organic materials.
9. Can I store potassium permanganate for a long time?
Yes, if kept in a dry, airtight container away from direct sunlight and moisture.
10. Is potassium permanganate legal to purchase in the UK?
Yes, it is legal, but purchases may require verification depending on quantity and intended use.
Conclusion Potassium permanganate 99.9% is a versatile and powerful chemical with numerous applications. Whether for water treatment, disinfection, or industrial use, it remains an essential compound for various sectors. HD Chemicals ensures a high-purity supply of KMnO4 in the UK, making it a reliable choice for your chemical needs.