12902
Potassium hexacyanocobaltate(III)
≥97.0%
Synonym(s):
Tripotassium hexacyanocobaltate(III)
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About This Item
Linear Formula:
K3Co(CN)6
CAS Number:
Molecular Weight:
332.33
NACRES:
NA.55
PubChem Substance ID:
UNSPSC Code:
12352202
EC Number:
237-742-1
MDL number:
Assay:
≥97.0%
Form:
crystalline
Quality Segment
assay
≥97.0%
form
crystalline
reaction suitability
reagent type: catalyst
core: cobalt
impurities
≤0.1% free cyanide
density
1.878 g/mL at 25 °C (lit.)
anion traces
sulfate (SO42-): ≤500 mg/kg
cation traces
Fe: ≤50 mg/kg
suitability
suitable for acidity or alkalinity (alkalinity <= 0.15 meq/g)
SMILES string
[K+].[K+].[K+].N#C[Co-3](C#N)(C#N)(C#N)(C#N)C#N
InChI
1S/6CN.Co.3K/c6*1-2;;;;/q;;;;;;-3;3*+1
InChI key
VSUFNKULKBVQQW-UHFFFAOYSA-N
Application
Potassiumhexacyanocobaltate(III) can be used as a complexing agent to synthesize double metal cyanide catalyst:
- For the chemoselective reductive amination of carbonyl compounds with aromatic amines to synthesize substituted amines in the presence of polymethylhydrosiloxane as a reducing agent.
- In the ring opening polymerization of propylene oxide to synthesize polyols.
- In the coupling reaction of CO2 with hydrous epoxides to synthesize cyclic carbonates.
Storage Class
13 - Non Combustible Solids
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
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