Potassium Per Magnate

Potassium permanganate is an inorganic compound with the chemical formula KMnO4. It is a purplish-black crystalline salt, that dissolves in water as K+ and MnO
4
, an intensely pink to purple solution.

Potassium permanganate is widely used in the chemical industry and laboratories as a strong oxidizing agent, and also as a medication for dermatitis, for cleaning wounds, and general disinfection. It is on the World Health Organization’s List of Essential Medicines. In 2000, worldwide production was estimated at 30,000 tons.

Category:

Application

It is used as a anti-infective, germicide, bactericide, disinfectant and colorants

Chemical formula

KMnO4

Molar mass

158.034 g/mol

Appearance

Purplish-bronze-gray needles
purple in solution

Odor

odorless

Density

2.7 g/cm3: 4.83 

Melting Point

240 °C (464 °F; 513 K) (decomposes)

Solubility in water

76 g/L (25 °C)
250 g/L (65 °C)

Solubility

decomposes in alcohol and organic solvents

Magnetic susceptibility (χ)

+20.0·10−6 cm3/mol: 4.134 

Refractive index (nD)

1.59

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