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
• Assay: 98.5-102.0%
• grade: ACS reagent
• form: powder

Properties

• grade: ACS reagent
• Quality Level: 200
• 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.[1]

Application

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

• Preparation of Carrez I solution.[2]
• Milk sample preparation for gold nanoparticles (AuNPs) based colorimetric detection of melamine.[3]
• Preparation of ferrocyanide/ferricyanide reaction, a redox pair solution for electrochemical testing.[4]

Safety Information

• Storage Class Code: 11 - Combustible Solids
• WGK: WGK 2
• Flash Point(F): Not applicable
• Flash Point(C): Not applicable