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Merck

1.04971

Potassium hexacyanoferrate(III)

EMPLURA®

Synonym(s):

Potassium hexacyanoferrate(III), Potassium ferricyanide

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About This Item

Linear Formula:
K3[Fe(CN)6]
CAS Number:
Molecular Weight:
329.24
UNSPSC Code:
12352302
EC Index Number:
237-323-3
NACRES:
NA.21
MDL number:
Assay:
≥99.0% (iodometric)
Form:
solid
Solubility:
464 g/L
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Quality Level

product line

EMPLURA®

assay

≥99.0% (iodometric)

form

solid

pH

6 (20 °C, 50 g/L in H2O)

solubility

464 g/L

density

1.85 g/cm3 at 20 °C

bulk density

900‑1000 kg/m3

anion traces

chloride (Cl-): ≤0.15%, hexacyanoferrate(II) ([Fe(CN)6]4-): ≤0.1%, sulfate (SO42-): ≤0.01%

storage temp.

2-30°C

SMILES string

[Fe-3](C#N)(C#N)(C#N)(C#N)(C#N)C#N.[K+].[K+].[K+]

InChI

1S/6CN.Fe.3K/c6*1-2;;;;/q;;;;;;-3;3*+1

InChI key

MIMJFNVDBPUTPB-UHFFFAOYSA-N

Analysis Note

Assay (iodometric): ≥ 99.0 %
Chloride (Cl): ≤ 0.15 %
Hexacyanoferrate (II) (Fe(CN)6)⁴⁻): ≤ 0.1 %
Sulfate (SO₄): ≤ 0.01 %

Legal Information

EMPLURA is a registered trademark of Merck KGaA, Darmstadt, Germany


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Hazard Classifications

Aquatic Chronic 2 - Eye Irrit. 2

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Storage Class

13 - Non Combustible Solids

wgk

WGK 2

flash_point_f

Not applicable

flash_point_c

Not applicable



Certificates of Analysis (COA)

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