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.
Import Duty Rates by Country of Origin
| Origin Country | MFN Rate | Ch.99 Surcharges | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | 1.7% | +35.0% | 36.7% |
| 🇲🇽Mexico | 1.7% | +10.0% | 11.7% |
| 🇨🇦Canada | 1.7% | +10.0% | 11.7% |
| 🇩🇪Germany | 1.7% | +10.0% | 11.7% |
| 🇯🇵Japan | 1.7% | +10.0% | 11.7% |
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If misidentified as iron cyanide oxide
Cyanide oxides fall under 2821, but complex salts like this are specifically in 2837 per heading scope.
If imported as inorganic pigment for commercial use
Chapter note 2(e) excludes luminophores or pigments of Chapter 32 from this chapter.
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Import Tips & Compliance
• Include assay certificates showing ferricyanide content; package as lab chemical to prevent retail misclassification
• Pitfall: bulk shipments without stabilization may require UN hazmat declarations
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 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.
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.
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.