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Tetraammonium hexacyanoferrate

CAS 14481-29-9

Ferrate(4-), hexakis(cyano-κC)-, ammonium (1:4), (OC-6-11)-

Molecular structure of 14481-29-9
4 NH₄⁺ · 1 Fe²⁺
US productionNot reported
Import value, 2024$15M
Top sourceSwitzerland 88%

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

Production is reported production, not a complete census of factories. Import value and source-country shares describe a shared customs category, not a separate chemical measurement.

Where It Comes From

Customs basis: HS 283720 · basket

These shares come from HS customs code 283720, which covers 15 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries
CH 88%SwitzerlandCN 9%ChinaIN 2%India

Why It Matters

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

Chemical Identity

CAS14481-29-9
PubChem CIDNot recorded
DTXSIDDTXSID1051725
FormulaC6H16FeN10
Mol. Weight284.109 g/mol
SMILES[NH4+].[NH4+].[NH4+].[NH4+].[Fe++].[C-]#N.[C-]#N.[C-]#N.[C-]#N.[C-]#N.[C-]#N

Data Sources

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Brief citations

Tetraammonium hexacyanoferrate (CAS 14481-29-9) https://chemicalindependence.com/chemical/14481-29-9/ EPA TSCA Inventory: CAS 14481-29-9. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory US Census international trade: HS 283720 for CAS 14481-29-9. Reporting year: 2024. https://usatrade.census.gov/