Potassium chloride (CAS 7447-40-7)

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Potassium chloride (CAS 7447-40-7)

Potassium chloride (KCl, or potassium salt) is a metal halide salt composed of potassium and chlorine. It is odorless and has a white or colorless vitreous crystal appearance. The solid dissolves readily in water, and its solutions have a salt-like taste. Potassium chloride can be obtained from ancient dried lake deposits. KCl is used as a fertilizer, in medicine, in scientific applications, and in food processing, where it may be known as E number additive E508.

As a chemical feedstock, it is used for the manufacture of potassium hydroxide and potassium metal. It is also used in medicine, lethal injections, scientific applications, food processing, soaps, and as a sodium-free substitute for table salt for people concerned about the health effects of sodium.

It is used as a supplement in animal feed to boost the potassium level in the feed. As an added benefit, it is known to increase milk production.

It is sometimes used in solution as a completion fluid in petroleum and natural gas operations, as well as being an alternative to sodium chloride in household water softener units.

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25 kg bag
1000 kg


Industries: Household chemicals, Fertilizers, Horticulture, Food industry , Feed industry

CAS number: 7447-40-7
WE number: 231-211-8
Chemical formula: KCl
Molar mass: 74,55 g/mol
Customs tariff code: 310420

Other physical properties

pH: 8,0 – 10,0 (1% roztwór)
Melting / freezing point: 770°C
Relative density: 1,989 g/cm3
Solubility in water: 300 g/l (20°C)

Additional information

Weight N/A
Available amount

25 kg bag, 1000 kg