Cobalt potassium hexacyanoferrate (CoK2Fe(CN)6)(1:2:1)

CAS 13821-10-8

Ferrate(4-), hexakis(cyano-κC)-, cobalt(2+) potassium (1:1:2), (OC-6-11)-

EPA and Census publish no US supply data for this chemical.

Molecular structure of 13821-10-8
2 K⁺ · 1 Co²⁺
US productionNot reported
Top sourceNo public record

This chemical is listed as active in US commerce, but no company reported it to EPA’s survey for 2019 or 2023. Sites may have made or imported less than the threshold amount, or none.

Why supply is unknown

Where It Comes From

EPA and Census publish no US supply data for this chemical.

Why It Matters

No EPA sector or FDA product records name a use for this chemical.

Chemical Identity

CAS13821-10-8
PubChem CIDNot recorded
DTXSIDDTXSID701014556
FormulaC6CoFeK2N6
Mol. Weight349.083 g/mol
SMILES[K+].[K+].[Co++].[C-]#N.[C-]#N.[C-]#N.[C-]#N.N#C[Fe]C#N

Data Sources

Brief citations

Cobalt potassium hexacyanoferrate (CoK2Fe(CN)6)(1:2:1) (CAS 13821-10-8) https://chemicalindependence.com/chemical/13821-10-8/ EPA TSCA Inventory: CAS 13821-10-8. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory