Ferric Ammonium Ferrocyanide

Ferric ammonium ferrocyanide is a blue pigment known as Prussian blue, used in paints and inks. It qualifies for HTS 2837.20.51.00 as a complex cyanide involving iron and ammonium inorganic bases.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳China1.7%+35.0%36.7%
🇲🇽Mexico1.7%+10.0%11.7%
🇨🇦Canada1.7%+10.0%11.7%
🇩🇪Germany1.7%+10.0%11.7%
🇯🇵Japan1.7%+10.0%11.7%

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

3208.10.00Higher: 38.7% vs 36.7%

If put up as a finished pigment for retail sale

Chapter note 2(e) excludes certain inorganic products used as pigments under 3206-3208.

2820.90.00Higher: 39.7% vs 36.7%

If considered a simple iron compound

Simple metal salts are in 2820s, but complex cyanides specifically head to 2837.

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Import Tips & Compliance

• Provide pigment-grade specs and TSCA registration; label clearly to distinguish from dyes

• Pitfall: retail packaging may push to Chapter 32 headings

Related Products under HTS 2837.20.51.00

Sodium Nitroprusside

Sodium nitroprusside is a complex cyanide salt used primarily as a vasodilator in medical treatments for hypertensive emergencies. It falls under HTS 2837.20.51.00 as a complex cyanide of an inorganic base (sodium), distinct from simple cyanides. This classification aligns with Chapter 28 notes specifying complex cyanides in heading 2837.

Potassium Ferricyanide

Potassium ferricyanide is a red-orange complex cyanide salt used in blueprint photography and as an analytical reagent. Classified under HTS 2837.20.51.00 as a complex cyanide of inorganic bases (potassium and iron). It meets Chapter 28 definitions for non-simple cyanides.

Potassium Ferrocyanide

Potassium ferrocyanide, also known as yellow prussiate of potash, is a complex cyanide used in wine production and as an anti-caking agent. It is classified in HTS 2837.20.51.00 as a complex cyanide of potassium and iron, per Chapter 28 provisions.

Cesium Tetraphenylborate

Cesium tetraphenylborate is a complex cyanide used in analytical chemistry for cesium detection. Though containing organic phenyl groups, it classifies under HTS 2837.20.51.00 as a complex cyanide of inorganic cesium base per Chapter notes.

Silver Cyanide Complex

Silver cyanide complex salts are used in electroplating and mirror manufacturing. Classified in HTS 2837.20.51.00 as complex cyanides of silver, an inorganic base, aligning with heading 2837 scope.

Zinc Cyanide Complex

Zinc cyanide complexes are employed in metal finishing and as catalysts. They fall under HTS 2837.20.51.00 as complex cyanides of zinc, per Chapter 28's metal salt provisions.