Ammonium hexacyanoferrate(II) is an inorganic chemical compound with the chemical formula (NH4)4[Fe(CN)6].[1][2]
Neutralization of ferruginous acid with ammonia solution followed by salting with ethanol:[3]
Ammonium hexacyanoferrate(II) forms green crystals.
The compound is well-soluble in water, and does not dissolve in ethanol.
It forms hydrates.[4][5]