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Potassium ferricyanide

CAS 13746-66-2

Ferrate(3-), hexakis(cyano-κC)-, potassium (1:3), (OC-6-11)-

Companies reported imports and no US production of this chemical to EPA for 2023.

Molecular structure of 13746-66-2
3 K⁺ · 1 Fe³⁺
US productionZero
Import value, 2024$15M
Import volume48.6K lb
Import dependency100%
Top sourceSwitzerland 88%

Production is reported production, not a complete census of factories. Production reporting year: 2023. Import value and source-country shares describe a shared customs category, not a separate chemical measurement.

Potassium ferricyanide · US import value by year
$4M2013$15M2024$13M2025

2013: $4M · Peak 2024: $15M · 2025: $13M

Where It Comes From

Customs basis: HS 283720 · basket

EPA reports by year
2023
US production Zero · Imports 48.6K lb

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
EPA-registered importers (1)
Wego Chemical Group

Why It Matters

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

Chemical Identity

CAS13746-66-2
PubChem CIDNot recorded
DTXSIDDTXSID9031939
FormulaC6FeK3N6
Mol. Weight329.248 g/mol
SMILES[K+].[K+].[K+].[Fe+3].[C-]#N.[C-]#N.[C-]#N.[C-]#N.[C-]#N.[C-]#N

Data Sources

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Brief citations

Potassium ferricyanide (CAS 13746-66-2) https://chemicalindependence.com/chemical/13746-66-2/ EPA TSCA Inventory: CAS 13746-66-2. Retrieved 2026-04-29. https://www.epa.gov/tsca-inventory EPA Chemical Data Reporting: 13746-66-2. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 283720 for CAS 13746-66-2. Reporting year: 2024. https://usatrade.census.gov/