Potassium Permanganate (KMnO4) is a powerful oxidizing agent widely used in water treatment, chemical processing, pharmaceuticals, and industrial applications. It is composed of manganese, potassium, and oxygen, where manganese exists in the +7 oxidation state, giving it strong oxidizing properties.
This compound dissolves easily in water to produce a deep purple solution, making it highly effective for disinfection, odor control, and removal of organic and inorganic impurities. It is commonly supplied in the form of dark purple crystalline solids with high purity and stability for industrial use.
Potassium Permanganate plays a critical role in wastewater treatment by oxidizing contaminants such as iron, manganese, hydrogen sulfide, and organic compounds. Its strong oxidizing action ensures improved water quality, reduced BOD levels, and enhanced treatment efficiency.
Applications:
| Sr. No. | Molecular formula | KMnO4 |
|---|---|---|
| 1 | Molar mass | 158.04 g/mol |
| 2 | Appearance | Dark purple-bronze crystals, violet solution in water |
| 3 | Density | 2.703 g/cm³ |
| 4 | Melting point | 270 °C |
| 5 | Solubility in water | 6.38 g/100 ml at 20 °C |
| 6 | Crystal structure | Orthorhombic |