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We can only ship non-hazardous products to Rest of World

Potassium Chloride 99.9% BP

Potassium Chloride 99.9% BP
Price: £16.95
Stock Availability:

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Stock Availability
On Shelf - Approx. UK delivery date: Thursday the 02nd October 2025*
In bulk stock - ships within 10 - 12 Working Days (Excluding weekends and public holidays)
4 to 6 weeks approx. (Not guaranteed)
UK Shipping

Unfortunately, we are not currently accepting orders for Northern Ireland.

We can only ship to the following postcodes where a Royal Mail postal option has been chosen at checkout.

AB, DD, DG3, DG4, DG6 - DG9, EH, FK, G, HS, IM, IV, KA, KW, KY, ML, PA, PH, PO30 - PO41, TD, TR21 - TR25, ZE

* We will always try to ship as early as possible. Delivery could be much quicker than stated but is not guaranteed
  • Source of electrolytes
  • Sodium Chloride salt substitute
  • Fertiliser production
  • Lab reagent

What is Potassium Chloride? Potassium Chloride (chemical formula KCl) is an inorganic salt composed of potassium and chlorine, commonly found as a white crystalline solid or colourless crystals.

Consistent Quality: We ensure that our Potassium Chloride meets the BP standard for 99.9% purity, providing reliable and consistent quality for all medical, laboratory, and industrial applications.

Frequent Uses

Industrial Application
Used in various industrial applications, such as in the production of fertilisers (potash), where it provides essential potassium for plant growth. It is also used in the manufacture of certain chemicals and in water treatment processes to regulate pH levels.

Laboratory Reagent
Used as a reagent in experiments that involve the preparation of buffer solutions or in testing for the presence of chloride ions. It is also used in biological research to prepare potassium-based solutions for cell culture and other analytical techniques.

  • Assay (%): 99.0 - 101
  • Solution clarity: Clear
  • Solution colour: Colourless
  • Acidity or alkalinity: Corresponds to test
  • Loss on drying (%): < 1.0
  • Bromides (%): < 0.1
  • Iodides: Corresponds to test
  • Sulphates (%): < 0.03
  • Barium: Corresponds to test
  • Heavy metals (%): < 0.001
  • Iron (%): < 0.002
  • Mg and alkali-earth metals (%): < 0.02
  • Sodium (%): < 0.1
  • Aluminium (%): < 0.0001

Hazard Phrases: Not considered harmful under normal laboratory conditions

Cas No: 7447-40-7
Einecs No: 231-211-8

Payment Methods

We can also accept a bank transfer (UK Only)

Source Chemicals Ltd