P3289

Potassium hexacyanoferrate(II) trihydrate

ACS reagent, 98.5-102.0%

• Synonym(s): Potassium ferrocyanide, Yellow prussiate
• Linear Formula: K₄Fe(CN)₆ · 3H₂O
• CAS Number: 14459-95-1
• Molecular Weight: 422.39
• EC Number: 237-722-2
• MDL number: MFCD00167023
• UNSPSC Code: 12352302
• PubChem Substance ID: 329820167
• NACRES: NA.21

Properties

• grade: ACS reagent
• assay: 98.5-102.0%
• form: powder
• reaction suitability: reagent type: catalyst; core: iron
• impurities: ≤0.005% Insoluble matter
• pH: 8-10 (25 °C, 211 g/L)
• mp: 70 °C (lit.)
• anion traces: chloride (Cl^-): ≤0.01%; sulfate (SO₄^2-): passes test (limit about 0.01%)
• SMILES string: O.O.O.[K+].[K+].[K+].[K+].N#C[Fe-4](C#N)(C#N)(C#N)(C#N)C#N
• InChI: 1S/6CN.Fe.4K.3H2O/c6*1-2;;;;;;;;/h;;;;;;;;;;;3*1H2/q;;;;;;-4;4*+1;;;
• InChI key: NRYOVBQTVIWDNU-UHFFFAOYSA-N

Description

General description

Potassium hexacyanoferrate(II) trihydrate, commonly known as potassium ferrocyanide, is a commonly used anticaking agent. Its cytotoxic and genotoxic effect has been evaluated. The growth of chemical garden in aqueous potassium hexacyanoferrate solution droplets on a superhydrophobic surface has been reported. The inhibition efficiency of potassium ferrocyanide in phosphoric acid solution against the corrosion of mild steel has been investigated.

Application

Potassium hexacyanoferrate(II) trihydrate may be used in the following processes:

• Preparation of Carrez I solution.
• Milk sample preparation for gold nanoparticles (AuNPs) based colorimetric detection of melamine.
• Preparation of ferrocyanide/ferricyanide reaction, a redox pair solution for electrochemical testing.

Safety Information

• Storage Class: 11 - Combustible Solids
• wgk_germany: WGK 2
• flash_point_f: Not applicable
• flash_point_c: Not applicable