Iron(II) cyanide is an inorganic compound with the empirical formula Fe(CN)2. It may have a Fe2[Fe(CN)6] structure.[1][better source needed]

Iron(II) cyanide
Names
IUPAC name
Iron(II) cyanide
Identifiers
3D model (JSmol)
ChEBI
ChemSpider
EC Number
  • 237-875-5
KEGG
  • InChI=1S/2CN.Fe/c2*1-2;/q2*-1;+2
    Key: OXNSNGFUWQVOKD-UHFFFAOYSA-N
  • [C-]#N.[C-]#N.[Fe+2]
Properties
Fe(CN)2
Molar mass 107.881
Appearance pale green solid[1]
Related compounds
Other cations
cobalt(II) cyanide
nickel(II) cyanide
Related compounds
potassium ferrocyanide
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).

Production

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Iron(II) cyanide can be produced by dissolving ammonium ferrocyanide at 320 °C.

3 (NH4)4Fe(CN)6 → Fe2Fe(CN)6 + 12 NH4CN

Reaction

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Iron(II) cyanide can react with potassium hydroxide solvent to produce iron(II) hydroxide and potassium ferrocyanide.[1]

Fe2Fe(CN)6 + 4 KOH → 2 Fe(OH)2 + K4Fe(CN)6

References

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  1. ^ a b c 氰化铁(II) [Iron(II) cyanide]. 锰分族 铁系 铂系 [Manganese, Iron, and Platinum Groups]. 无机化学丛书 [Inorganic Chemistry]. Vol. 9. 科学出版社 [Science Press]. p. 171.