Potassium peroxymonosulfate

Potassium peroxymonosulfate (also known as potassium monopersulfate, Caroat, Oxone, and MPS) is a widely used oxidizing agent. It is the potassium salt of peroxymonosulfuric acid.

Etymology

The name "Potassium peroxymonosulfate" is derived from its chemical composition. "Potassium" refers to the potassium ions present in the compound. "Peroxy" refers to the presence of a peroxide group (O-O). "Monosulfate" indicates the presence of one sulfate (SO4) group.

Chemical Properties

Potassium peroxymonosulfate is a white, crystalline, odorless powder. It is soluble in water and its solution exhibits a slightly acidic pH. It is a strong oxidizer and decomposes in alcohol. The chemical formula for potassium peroxymonosulfate is 2KHSO5·KHSO4·K2SO4.

Uses

Potassium peroxymonosulfate is used in a variety of applications. It is used as a disinfectant in pools and spas, in laboratories as a useful reagent, and in laundry detergents and automatic dishwashing formulations to remove stains. It is also used in oral hygiene products and as an oxidizing agent in organic synthesis.

Health Effects

Exposure to potassium peroxymonosulfate can cause irritation to the eyes, skin, and respiratory tract. Ingestion can lead to gastrointestinal irritation, nausea, vomiting, and diarrhea. Long-term exposure can lead to more serious health effects.

Safety

Potassium peroxymonosulfate should be handled with care. It should be stored in a cool, dry place away from heat and open flame. It should not be ingested or allowed to come into contact with the eyes or skin.

Potassium peroxymonosulfate images

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  Potassium peroxymonosulfate structure
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  Acridine oxidation by oxone
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  Oxidation of an organic sulfide by oxone
• 
  Shi epoxidation scheme

See Also

• Oxidizing agent
• Potassium
• Sulfate

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