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Potassium ferrocyanide

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Potassium ferrocyanide

Molecular formula: C6FeK4N6 CAS# 13943-58-3
Categories: Coordination compounds , Inorganic salt , Food additive
PubChem CID: 11963580 | ChemSpider ID: 20162028 | CHEBI:30059
Names
English:
E 536
E536
EINECS:237-722-2
Potassium ferrocyanate
Potassium ferrocyanide [Wiki]
Potassium hexacyanidoferrate(II)
Potassium hexacyanoferrate
Potassium hexacyanoferrate (II)
Potassium hexacyanoferrate(II)
Tetrapotassium ferrocyanide
Tetrapotassium hexacyanoferrate(4-)
Tetrapotassium hexacyanoferrate(II)
potassium hexacyanoferrate(4-)
potassium hexacyanoferrate(4−)
tetrapotassium;iron(6+);hexacyanide(IUPAC)

Variants of the formula:

K4[Fe(CN)6]
N|||C^-|hFe^2+<`\hC^-`\\\N:a><`/hC`^-`///N:b><|hC^-|||N><\hC^-\\\N:c>/hC`^-///N:d; $L(1.3)$slope(60)#a`\0K^+; #b`/0K^+; #c\0K^+; #d/0K^+
$L(1.2)K^+\0N</0K^+>|||c|Fe^4-|c|||N<`/0K^+>\0K^+;N\\\c\#Fe\c\\\N; N///c/#Fe/c///N
Elemental composition
Can't show the diagram.
Symbol Element Atomic weight Number of atoms Mass percent

Reactions in which Potassium ferrocyanide is involved

  • K4[Fe(CN)6] + 6H2SO4 + 6H2O "T"-> 2K2SO4 + FeSO4 + 3(NH4)2SO4 + 6CO"|^"
  • 3K4[Fe(CN)6] "650^oC"--> Fe3C + 5C + 3N2"|^" + 12KCN
  • 2K4[Fe(CN)6] + H2O2 + 2HCl → 2K3[Fe(CN)6] + 2KCl + 2H2O
  • 2K4[Fe(CN)6] + Cl2 → 2K3[Fe(CN)6] + 2KCl
  • 2K3[Fe(CN)6] + H2O2 + 2KOH → 2K4[Fe(CN)6] + 2H2O + O2"↑"