Potassium Ferricyanide

Other Names:

Potassium hexacyanoferrate(III)

General Information:

Structure:

K₃[Fe(CN)₆]

CAS Number: 13746-66-2

Molecular Weight: 329.24 g/mol

Appearance: Red crystalline solid

Chemical Formula: K3[Fe(CN)6]

Melting Point: 300 C

Common Uses:

Source of cyanide in palladium catalyzed cyanations

Procedure excerpt:

To a solution of the SM (4.0 g, 17.46 mmol) in DMA (10 mL) was added K3[Fe(CN)6] (3.70 g, 17.5 mmol), followed by Na2CO3 (1.85 g, 17.5 mmol), then Pd(OAc)2 (78 mg, 0.35 mmol). . . .

[full procedure]

References:

1) Wikipedia: Potassium ferricyanide (link)

2) www.sigmaaldrich.com: Potassium ferricyanide (link)