Potassium ferricyanide (tripotassium hexacyanoferrate) is a coordination compound of potassium, iron and cyanide. It forms ruby-red crystals and is soluble in water at 46 g per 100 mL. It is used to produce the pigment Prussian blue, in blueprint drawing and photography, to temper iron and steel, in electroplating and for dyeing wool.
Full specification
- Molecular formula
- K3[Fe(CN)6]
- Appearance
- Ruby-red crystals or red crystalline powder
- Synonyms
- tripotassium hexacyanoferrate · potassium hexacyanoferrate(III)
Compliance & regulatory
Region: EU — Chemotto S.r.l., Milano
- REACH-aligned supply
- CLP-labelled
REACH REACHRegistration, Evaluation, Authorisation and Restriction of Chemicals — the EU chemicals regulation (EC 1907/2006). CLP CLPClassification, Labelling and Packaging — the EU regulation (EC 1272/2008) for hazard communication. SVHC SVHCSubstance of Very High Concern — flagged on the REACH Candidate List for possible authorisation or restriction.
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