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31253

Potassium hexacyanoferrate(III)

Name: Potassium hexacyanoferrate(III)
Brand: SIGALD

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

Synonym(s):

Potassium ferricyanide, Red prussiate

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About This Item

Linear Formula:

K₃Fe(CN)₆

CAS Number:

13746-66-2

Molecular Weight:

329.24

NACRES:

NB.24

PubChem Substance ID:

329753702

UNSPSC Code:

12352302

EC Number:

237-323-3

MDL number:

MFCD00011392

Assay:

≥99%

Form:

crystalline

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Properties

agency

USP/NF, reag. ISO, reag. Ph. Eur.

grade

ACS reagent, puriss. p.a.

assay

≥99%

form

crystalline

technique(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 (SO₄^2-): ≤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.

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pictograms

GHS07,GHS09

signalword

Warning

hcodes

H319,H411

pcodes

P264 - P273 - P280 - P305 + P351 + P338 - P337 + P313 - P391

Hazard Classifications

Aquatic Chronic 2 - Eye Irrit. 2

supp_hazards

EUH032

Storage Class

11 - Combustible Solids

flash_point_f

Not applicable

flash_point_c