Potassium Chloride

Potassium chloride (KCI) is a white crystal or crystalline powder metal halide salt composed of potassium and chloride. The solid odorless, white, or colorless vitreous crystals readily dissolve in water. Its solutions have a salt-like taste. The non-combustible compound is used in the manufacture of buffers, fertilizers, and explosives as well as in medicine, food processing, and scientific applications.


Potassium chloride is a metal halide salt with the molecular formula KCI or CIK. Its CAS is 7447-40-7. The white, colorless crystals are soluble in water and insoluble in ethanol.

Industrial uses include:

  1. Agricultural chemicals (non-pesticidal)
  2. Intermediates
  3. Laboratory chemicals
  4. Plating agents and surface treating agents
  5. Processing aids, not otherwise listed
  6. Processing aids, specific to petroleum production

Consumer uses include:

  1. Agricultural Products (non-pesticidal)
  2. Anti-Freeze and De-icing Products
  3. Building/Construction Materials not covered elsewhere
  4. Electrical and Electronic Products
  5. Metal Products not covered elsewhere
  6. Paints and Coatings
  7. Water Treatment Products

Potassium chloride is produced in quantity from mined potash ores and from salt-containing surface waters. The chemical is extracted from minerals sylvite, carnallite, and potash. It is a by-product of nitric acid production from potassium nitrate and hydrochloric acid.

Potassium chloride is available for shipping throughout the continental United States with one (1) week lead-time. Potassium chloride is shipped in 25kg bags and 1,000kg super sacks, and is available in bulk format as well. Special packaging options are also available. Please call (401) 423-3100 for details.

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