Potassium Permanganate Solution

KMnO₄(aq)

IUPAC: Potassium permanganate

CAS: 7722-64-7

Overview

Potassium permanganate solution is a deep purple aqueous disinfectant used in wound care, water treatment, and fruit and vegetable washing. Even very dilute solutions have an intense purple color. It oxidizes organic matter and microorganisms on contact.

Composition

Element Symbol Atoms Atomic Mass
Oxygen O 4 15.9990
Potassium K 1 39.0980
Manganese Mn 1 54.9380

Elemental Composition

O
Oxygen ×4
40.5%
K
Potassium ×1
24.7%
Mn
Manganese ×1
34.8%

Uses

  • • Wound disinfectant
  • • Fruit and vegetable washing
  • • Water treatment
  • • Emergency water purification

Fun Facts

  • ✦ A single crystal can turn an entire liter of water deep purple

Safety

  • ⚠ Stains skin brown
  • ⚠ Concentrated solutions are corrosive
  • ⚠ Strong oxidizer

Structure

SMILES

[O-][Mn](=O)(=O)=O.[K+]

Properties

Type
salt
State
liquid
Molar Mass
158.03 g/mol
Density
1.0100 g/cm³
Solubility
miscible

Molecular Descriptors

Exact Mass
157.8814
TPSA
74.3 Ų
H-Bond Donors
0
H-Bond Acceptors
4
Rotatable Bonds
0
Heavy Atoms
6
Complexity
118.0

Also Known As

Condy's fluid

Related Compounds

Ammonium Bicarbonate

NH₄HCO₃

Ammonium Chloride

NH₄Cl

Ammonium Sulfate

(NH₄)₂SO₄

Barium Carbonate

BaCO₃

Barium Chloride

BaCl₂

Barium Sulfate

BaSO₄

Cadmium Sulfide

CdS

Calcium Acetate

Ca(C₂H₃O₂)₂

Calcium Carbonate

CaCO₃

Calcium Citrate

Ca₃(C₆H₅O₇)₂

Frequently Asked Questions

What is Potassium Permanganate Solution?
Potassium Permanganate Solution (KMnO₄(aq)) is a salt compound with the IUPAC name Potassium permanganate.
What is the molecular weight of Potassium Permanganate Solution?
Potassium Permanganate Solution has a molar mass of 158.034 g/mol.
What state is Potassium Permanganate Solution at room temperature?
Potassium Permanganate Solution is a liquid at room temperature.
Is Potassium Permanganate Solution organic or inorganic?
Potassium Permanganate Solution is classified as an inorganic compound.
What elements make up Potassium Permanganate Solution?
Potassium Permanganate Solution (KMnO₄(aq)) is composed of Oxygen (O), Potassium (K), Manganese (Mn).