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Substance:Potassium iodide

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  • Main ChemSpider page
  • Molecular formula: IK
  • Molar mass: 166.003
  • CAS Registry Number: 7681-11-0
  • Appearance: Potassium iodide, 99%; Potassium iodide, 99.99% (metals basis); Potassium iodide, 99.9% (metals basis); Potassium iodide, ultra dry, 99.998% (metals basis); Potassium iodide, ACS, 99.0% min; Potassium iodide, 99.995% (metals basis); Potassium iodide, Puratronic®, 99.999% (metals basis); Potassium iodide, 99%; Potassium iodide, 99.99% (metals basis); Potassium iodide, 99.9% (metals basis); Potassium iodide, ultra dry, 99.998% (metals basis); Potassium iodide, ACS, 99.0% min; Potassium iodide, 99.995% (metals basis); Potassium iodide, Puratronic®, 99.999% (metals basis); white granules or crystals
  • Melting point: 681 °C
  • Boiling point: 1420 °C
  • Solubility: Soluble in water, alcohol, acetone, and glycerol
  • Safety sheet: Not available
  • Spectra: Check on SDBS. Add Spectra (Help).

From Wikipedia

Potassium iodide is a chemical compound, medication, and dietary supplement. As a supplement it is used in those who have low intake of iodine in the diet.


Common side effects include vomiting, diarrhea, abdominal pain, rash, and swelling of the salivary glands. Commercially it is made by mixing potassium hydroxide with iodine.


Potassium iodide has been used medically since at least 1820. It is on the World Health Organization's List of Essential Medicines, the most effective and safe medicines needed in a health system. Potassium iodide is available as a generic medication and over the counter. In the United States a course of treatment is less than 25 USD. Potassium iodide is also used for the iodization of salt.

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Other names

Potassium iodide (IUPAC Name); iodic acid potassium salt; Potassium monoiodide; Potassium salt of hydriodic acid

References

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