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P3289

Sigma-Aldrich

Potassium hexacyanoferrate(II) trihydrate

ACS reagent, 98.5-102.0%

Sinonimo/i:

Potassium ferrocyanide, Yellow prussiate

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About This Item

Formula condensata:
K4Fe(CN)6 · 3H2O
Numero CAS:
14459-95-1
Peso molecolare:
422.39
Numero CE:
237-722-2
Numero MDL:
MFCD00167023
Codice UNSPSC:
12352302
ID PubChem:
329820167
NACRES:
NA.21

Grado

ACS reagent

Saggio

98.5-102.0%

Forma fisica

powder

Impiego in reazioni chimiche

reagent type: catalyst
core: iron

Impurezze

≤0.005% Insoluble matter

pH

8-10 (25 °C, 211 g/L)

Punto di fusione

70 °C (lit.)

Anioni in tracce

chloride (Cl-): ≤0.01%
sulfate (SO42-): passes test (limit about 0.01%)

Stringa SMILE

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;;;
NRYOVBQTVIWDNU-UHFFFAOYSA-N

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Categorie correlate

Descrizione generale

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.

Applicazioni

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.

Codice della classe di stoccaggio

11 - Combustible Solids

Classe di pericolosità dell'acqua (WGK)

WGK 2

Punto d’infiammabilità (°F)

Not applicable

Punto d’infiammabilità (°C)

Not applicable

Certificati d'analisi (COA)

Cerca il Certificati d'analisi (COA) digitando il numero di lotto/batch corrispondente. I numeri di lotto o di batch sono stampati sull'etichetta dei prodotti dopo la parola ‘Lotto’ o ‘Batch’.

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Studies on the inhibitive effect of potassium ferrocyanide on the corrosion of steel in phosphoric acid.
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