Potassium perchlorate



Potassium Perchlorate
Other names Perchlorated potassium
Identifiers
CAS number 7778-74-7
Properties
Molecular formula KClO4
Molar mass 138.55 g/mol
Appearance Colourless Crystalline Crystals or White Powder
Density 2.52 g/cm3, solid
Melting point

610 °C

Boiling point

400 °C

Solubility in water 1.5 g in 100 g[1]
Hazards
MSDS MSDS
EU classification Oxidant (O)
Harmful (Xn)
NFPA 704
0
2
2
OX
Related Compounds
Other anions potassium chlorate
potassium periodate
Other cations sodium perchlorate
Except where noted otherwise, data are given for
materials in their standard state
(at 25 °C, 100 kPa)
Infobox disclaimer and references

Potassium perchlorate, a solubility of all perchlorates (1.5 g in 100 g of water at 25 °C).[1]

Reactions

As an oxidizer, KClO4 reacts with a wide variety of fuels. A common example is glucose, C6H12O6.

3 KClO4 + C6H12O6 → 6 H2O + 6 CO2 + 3 KCl

When mixed with cane sugar, it can be used as a low explosive, if the necessary confinement is provided. Otherwise the mixture will simply deflagrate with an intense purple flame indicative of potassium salts. Flash compositions used in firecrackers usually consist of fine aluminium powder mixed with potassium perchlorate.

Potassium perchlorate can be used safely in the presence of perchloric acid, is stable enough as to prevent spontaneous ignition.

Production

Potassium perchlorate is produced by double decomposition reaction with sodium chloride.[2]

In medicine

Potassium perchlorate can be used as a potent antithyroid agent used to treat hyperthyroidism, usually in combination with one other medication.

References

  1. ^ a b Potassium Perchlorate MSDS. J.T. Baker (2007-02-16). Retrieved on 2007-12-10.
  2. ^ Perchlorate Production
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Thyroid therapy (Perchlorates (Potassium perchlorate) - Other (Diiodotyrosine, Dibromotyrosine)
 
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