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P9387

Sigma-Aldrich

Potassium hexacyanoferrate(II) trihydrate

ReagentPlus®, ≥98.5%

Synonym(s):

Potassium ferrocyanide, Yellow prussiate

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About This Item

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:
329820347
NACRES:
NA.21

Quality Level

200

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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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 Code

11 - Combustible Solids

WGK

WGK 2

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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