potassium permanganate

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potassium permanganate

A scientist carefully adds potassium permanganate to a beaker of water.

Definition
  1. Noun:
    • A chemical compound: Potassium permanganate is an inorganic chemical compound with the formula KMnO₄. It is a strong oxidizing agent.
    • A specific substance: It is a poisonous salt that forms dark purple, almost black, crystals. When dissolved in water, it produces a distinctive purple-red or pink solution.
Usage
  • Potassium permanganate is used primarily as an oxidizing agent, a disinfectant, an antiseptic, and a bleaching agent in various industrial and laboratory applications.
  • It is handled with care due to its oxidizing properties and potential to stain skin and materials.
Examples
  • Noun:
    • The laboratory uses potassium permanganate for titration experiments.
    • A dilute solution of potassium permanganate can be used to treat certain skin infections.
    • The purple color of the potassium permanganate solution faded as it reacted with the organic matter.
Advanced Usage
  • In chemistry: Used as a reagent in redox titrations (often called permanganometry) to determine the concentration of reducing agents.
    • The endpoint of the titration was marked by the persistence of the pale pink color from the potassium permanganate.
  • In water treatment: Employed to remove iron and hydrogen sulfide from well water and as an algicide.
    • The facility added potassium permanganate to the water to control odor and taste.
  • In survival and emergency medicine: Historically used in very dilute solutions as a topical antiseptic and to make water potable.
    • The survival guide mentioned potassium permanganate as a chemical means for water purification.
Variants and Related Words
  • Permanganate (noun): The anion (MnO₄⁻) present in this salt. Potassium permanganate is the most common permanganate compound.
    • The permanganate ion is a powerful oxidizing agent.
  • KMnO₄ (noun): The chemical formula for potassium permanganate.
Synonyms
  • KMnO₄ (Chemical formula synonym)
  • Permanganate of potash (Historical/archaic name)
Related Phrases
  • Potassium permanganate solution: Refers to the compound dissolved in water, which is the form in which it is typically applied.
    • Always prepare a fresh potassium permanganate solution for the experiment.
  • Potassium permanganate crystals: Refers to the solid, crystalline form of the compound.
    • Handle the potassium permanganate crystals with gloves to avoid stains.
potassium permanganate

A scientist carefully adds potassium permanganate to a beaker of water.

Noun
  1. a poisonous salt that forms dark purple crystals and is purple-red when dissolved in water; used as an oxidizing and bleaching agent and as a disinfectant and antiseptic

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