Potassium hexacyanoferrate(II) trihydrate 98.5-102.0%, yellow crystalline powder ACS

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Synonyms: Tetrapotassium hexacyanoferrate trihydratePotassiumhexacyanoferrate(II) trihydratePotassium ferrocyanide trihydrate

ICNA0215256080EA 41.3 GBP
ICNA0215256080 ICNA0215256090
Potassium hexacyanoferrate(II) trihydrate 98.5-102.0%, yellow crystalline powder ACS
Potassium hexacyanoferrate (II) trihydrate

Potassium ferrocyanide trihydrate is a salt of the Fe(CN)₆4- ferrocyanide ion. Ferrocyanide is a reducing iron species, being oxidised from ferrous Fe(II) to ferric Fe(III).


It is used to determine the concentration of potassium permanganate, a compound often used in titrations based on redox reactions. Used in a mixture with potassium ferricyanide and phosphate buffered solution (PBS) to provide a buffer for X-Gal, which is used to cleave Beta-galactosidase, giving a bright blue visualisation where an antibody (or other molecule), conjugated to Beta-gal, has bonded to its target.


It is membrane impermeable and can be used to assess redox activity of membrane-bound structures and mechanisms of electron transport across membranes. This approach was employed to demonstrate that Potassium ferrocyanide performs reducing activation of membrane-bound dopamine β-monooxygenase from the exterior face of adrenal vesicles, providing elucidation of native reduction-activation mechanisms for dopamine β-monooxygenase regulation.

Formula: K₄Fe(CN)₆·3H₂O
MW: 422.39 g/mol
Melting Pt: 70 °C (lit.)
Density: 7.87 g/cm³ (25 °C) (lit.)
Storage Temperature: Ambient
MDL Number: MFCD00167023
CAS Number: 14459-95-1

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Specification Test Results

Assay 98,5 - 102,0%
Insoluble Matter ≤0,005%
Chloride ≤0,01%
Sulphate Passes Test

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