Potassium hexacyanoferrate(III), solution 1 M

Molecular formula:
K3[Fe(CN)6]
Chemical compound:
potassium hexacyanoferrate(III)
Common name:

K3[Fe(CN)6] – potassium ferricyanide – exists as bright red crystals that are soluble in water and form a yellow solution. It was initially used in the production of Prussian blue dyes. Nowadays, potassium ferricyanide is widely used in blueprints (reproductions of technical drawings) and as a color-forming component in photography. It is also used as an electrolyte in the production of electrochemical devices, and to produce fuel in pyrotechnics.

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Hazard information

Hazard statements

  • Toxic to aquatic life with long-lasting effects.
  • Causes serious eye irritation.

Precautionary statements

  • Avoid release to the environment.
  • Collect spillage.
  • If eye irritation persists: Get medical advice/attention.
  • Wash skin thoroughly after handling.
  • Wear protective gloves/protective clothing/eye protection/face protection.
  • IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses if present and easy to do – continue rinsing.