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31253 Sigma-Aldrich

Potassium hexacyanoferrate(III)

puriss. p.a., ACS reagent, reag. ISO, Reag. Ph. Eur., ≥99%

Synonym: Potassium ferricyanide, Red prussiate

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Properties

Related Categories Analytical Reagents, Analytical Reagents for General Use, Analytical/Chromatography, Essential Chemicals, Indicators,
Quality Level   200
grade   ACS reagent
  Reag. Ph. Eur.
  reag. ISO
  puriss. p.a.
assay   ≥99%
form   crystalline
application(s)   titration: suitable
impurities   ≤0.02% hexacyanoferrate(II) ([Fe(CN)6]4-)
pH   6-9 (25 °C, 329 g/L)
anion traces   chloride (Cl-): ≤50 mg/kg
  sulfate (SO42-): ≤50 mg/kg
cation traces   Ca: ≤5 mg/kg
  Cd: ≤5 mg/kg
  Co: ≤50 mg/kg
  Cu: ≤10 mg/kg
  Na: ≤200 mg/kg
  Ni: ≤10 mg/kg
  Pb: ≤20 mg/kg
  Zn: ≤5 mg/kg
SMILES string   [K+].[K+].[K+].N#C[Fe-3](C#N)(C#N)(C#N)(C#N)C#N
InChI   1S/6CN.Fe.3K/c6*1-2;;;;/q;;;;;;-3;3*+1
InChI key   MIMJFNVDBPUTPB-UHFFFAOYSA-N

Description

General description

Potassium hexacyanoferrate(III) (Potassium ferricyanide) is an alkali hexacyanoferrate. On heating, it undergoes decomposition to afford yellow-brown hexacyanoiron(III) acid. It can be prepared by the anodic oxidation of K4[Fe(CN)6].

Application

Potassium hexacyanoferrate(III) may be employed as an oxidizing agent during the fabrication of glucose conductometric biosensor.

Packaging

1, 6×1 kg in poly bottle

250, 500 g in poly bottle

Safety & Documentation

Safety Information

Supplemental Hazard Statements 
EUH032
WGK Germany 
WGK 3
RTECS 
LJ8225000
Flash Point(F) 
Not applicable
Flash Point(C) 
Not applicable

Documents

Certificate of Analysis (COA)

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Certificate of Origin (COO)

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Protocols & Articles
Peer-Reviewed Papers
15

References

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