Ammonium hexacyanoferrate(II)

Ammonium hexacyanoferrate(II)
Names
	IUPAC name Ammonium hexacyanoferrate(II)
	Other names Ammoniumferrocyanid, tetraammonium hexacyanidoferrate
Identifiers
CAS Number	14481-29-9;
3D model (JSmol)	Interactive image;
ChEBI	CHEBI:30067;
ChemSpider	19957399;
ECHA InfoCard	100.034.963
EC Number	38-476-9;
Gmelin Reference	46775
PubChem CID	17756740;
CompTox Dashboard (EPA)	DTXSID1051725 ;
	InChI InChI=1S/6CN.Fe.4H3N/c61-2;;;;;/h;;;;;;;41H3/q6*-1;+2;;;;/p+4 Key: ZXQVPEBHZMCRMC-UHFFFAOYSA-R;
	SMILES [C-]#N.[C-]#N.[C-]#N.[C-]#N.[C-]#N.[C-]#N.[NH4+].[NH4+].[NH4+].[NH4+].[Fe+2];
Properties
Chemical formula	C6H16FeN10
Molar mass	284.109 g·mol−1
Appearance	Green crystalline powder
Density	g/cm3
Solubility in water	soluble
Hazards
	GHS labelling:
Pictograms
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

Ammonium hexacyanoferrate(II) is an inorganic chemical compound with the chemical formula (NH₄)₄[Fe(CN)₆].^[1]^[2]

Synthesis

Neutralization of ferruginous acid with ammonia solution followed by salting with ethanol:^[3]

H₄Fe(CN)₆ + 4NH₃ → (NH₄)₄[Fe(CN)₆]

Ammonium hexacyanoferrate(II) forms green crystals.

The compound is well-soluble in water, and does not dissolve in ethanol.

It forms hydrates.^[4]^[5]