Potassium permanganate (KMnO₄) appears as dark purple till almost black crystal fine powder, which dissolves in water to give intensely pink to purple solutions.

Chemical Formula: KMnO₄
Molar Mass: 158.034 g/mol
CAS Number: 7722-64-7
EC Number: 231-760-3
Density: 2.7 g/cm³

Potassium permanganate has several applications across various fields:
Water Treatment: Potassium permanganate is commonly used in water treatment processes. It is also used for disinfection and odor control in wastewater treatment.

Medical Uses: Potassium permanganate can be used for medical purposes, primarily as an antiseptic and disinfectant. It is employed for cleaning wounds, treating skin conditions such as dermatitis and fungal infections, and as a soak for foot infections like athlete's foot.

Fish Pond Treatment: Potassium permanganate is sometimes used to treat fish ponds and aquariums for parasitic infections and to control the growth of algae and other unwanted organisms. It helps maintain the water quality and can aid in the prevention and treatment of certain fish diseases.