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P9387

Sigma-Aldrich

Potassium hexacyanoferrate(II) trihydrate

ReagentPlus®, ≥98.5%

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Synonym(s):
Potassium ferrocyanide, Yellow prussiate
Linear Formula:
K4Fe(CN)6 · 3H2O
CAS Number:
Molecular Weight:
422.39
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.21

product line

ReagentPlus®

assay

≥98.5%

form

powder

pH

8-10 (25 °C, 211 g/L)

mp

70 °C (lit.)

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

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1 of 4

This Item
602791.049821.04984
vibrant-m

60279

Potassium hexacyanoferrate(II) trihydrate

Premium Grade
assay

≥98.5%

assay

≥99.5% (RT)

assay

≥99.0% (cerimetric)

assay

99.0-102.0% (cerimetric)

Quality Level

200

Quality Level

200

Quality Level

200

Quality Level

300

mp

70 °C (lit.)

mp

70 °C (lit.)

mp

>50 °C (Elimination of water of crystallisation)

mp

>50 °C (Elimination of water of crystallisation)

pH

8-10 (25 °C, 211 g/L)

pH

8.0-10.0 (25 °C, 0.5 M in H2O)

pH

9.5 (20 °C, 100 g/L in H2O, anhydrous substance)

pH

9.5 (20 °C, 100 g/L in H2O, anhydrous substance)

product line

ReagentPlus®

product line

BioUltra

product line

EMPLURA®

product line

EMSURE®

Application

Potassium hexacyanoferrate(II) trihydrate is a hydrated form of potassium hexacyanoferrate. It is used as a cyanating agent for the direct cyanation of (hetero)aromatic halides to synthesize (hetero)aromatic nitriles in the presence of a metal catalyst.

Legal Information

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

Storage Class

11 - Combustible Solids

wgk_germany

WGK 2

flash_point_f

Not applicable

flash_point_c

Not applicable


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