Potassium hexacyanoferrate(II)

Molecular formula:
K4[Fe(CN)6] · 3H2O
Chemical compound:
potassium hexacyanoferrate(II) trihydrate
Common name:

K4[Fe(CN)6], or potassium ferrocyanide, is a substance with many different applications. For example, it is known in the EU as the food additive E536, while sodium ferrocyanide Na4[Fe(CN)6] (prussiate of soda) is used in the American food industry. Both these substances are anticaking agents, which are added in small amounts to the table salt we use every day.


Hazard information

This reagent is considered nonhazardous according to GHS classifications. Treat all reagents with caution.