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Potassium Hexacyanoferrate (II) 99.9% ACS

Price: £8.95
Stock Availability:

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Stock Availability
On Shelf - Approx. UK delivery date: Wednesday the 17th September 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
  • General lab reagent
  • Dyes and pigments
  • Electroplating
  • Pharmaceuticals

What is Potassium Hexacyanoferrate? Potassium Hexacyanoferrate (II) (molecular formula K₄[Fe(CN)₆]) is a chemical compound widely used in chemical analysis, industrial processes, and laboratory research. It is a yellow crystalline solid, highly soluble in water, and is commonly referred to by alternate names such as Potassium Ferrocyanide.

Consistent Quality: We use only carefully sourced Potassium Hexacyanoferrate (II) 99.9%, meeting the standards of ACS, ensuring reliable and consistent performance in industrial, chemical, and laboratory applications.

Frequent Uses:

Pigment Production
Used in the production of pigments, including those used in blue and green dyes, providing vibrant colours for textiles, paints, and inks.

Electroplating
In electroplating processes, it serves as an intermediate in the deposition of metals, enhancing the quality and durability 

Laboratory Research
In laboratories, it is widely used in scientific research for the preparation of calibration standards and as a key reagent in various chemical investigations and studies.

  • Minimum Assay: >99.99%
  • Molecular Formula: K4Fe(CN)6•3H2O
  • Molecular Weight: 422.39 g/mol
  • Melting Point: 70 °C
  • Insoluble Matter: <0.005%
  • Chloride (Cl): <0.003%
  • Sulphate (SO4): <0.0005%

Hazard Phrases: Harmful to aquatic life with long lasting effects. Contact with acids liberates very toxic gas.

Prec Phrases: Avoid release to the environment.

Cas No: 14459-95-1
Einecs No: 237-722-2

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Source Chemicals Ltd