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Chemical database: Potassium chloride

chemistry tutorials - potassium chloride

Chemical formula KCl
Molar mass 74.55 g mol -1
Density 1.98 g cm -3
Melting point 770 °C
Boiling point 1420 °C
Solubility 34.4 g in 100 mL H2O (20 °C)
CAS number 7447-40-7
Hazards -

Potassium chloride is an inorganic compound without a specific smell or taste. At standard conditions, it comes in form of small colorless crystals. It can be found in the natural environment as well, in form of various minerals (e.g. sylvite). Potassium chloride is mostly used in the production of mineral fertilizers, in the production of various substances like potassium hydroxide or pure potassium. It is also used in medicine and in the food industry as a substitute for table salt (sodium chloride).

Potassium chloride can be found or ordered from certain drugstores/pharmacies. In larger amounts, potassium chloride can be ordered from companies that sell chemicals to various types of industries. Potassium chloride can also be found in products that are used as a substitute for table salt. However, such products don't contain pure potassium chloride, but often other compounds as well.


  Acetic acid
  Acetylsalicylic acid
  Ammonium nitrate
  Calcium carbide
  Calcium carbonate
  Calcium hydroxide
  Calcium oxide
  Hydrochloric acid
  Hydrogen peroxide
  Iron(III) oxide
  Lithium carbonate
  Methyl ethyl ketone
  Nitric acid
  Potassium carbonate
  Potassium chlorate
  Potassium chloride
  Potassium metabisulphite
  Potassium nitrate
  Potassium permanganate
  Sodium acetate
  Sodium benzoate
  Sodium bicarbonate
  Sodium bromide
  Sodium carbonate
  Sodium chloride
  Sodium hydroxide
  Sodium hypochlorite
  Sulphuric acid
  Trichloroisocyanuric acid