Potassium Ferricyanide Powder
Pure potassium ferricyanide (K3[Fe(CN)6]) in fine powder form, a chemically defined complex cyanide used primarily as a reagent in analytical chemistry labs. It falls under HTS 2837.20.10.00 as a complex cyanide of inorganic bases, specifically potassium ferricyanide, per Chapter 28 notes. This yellow crystalline compound is essential for qualitative analysis and as an oxidizing agent.
Import Duty Rates by Country of Origin
| Origin Country | MFN Rate | Ch.99 Surcharges | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | 1.1% | +35.0% | 36.1% |
| 🇲🇽Mexico | 1.1% | +10.0% | 11.1% |
| 🇨🇦Canada | 1.1% | +10.0% | 11.1% |
| 🇩🇪Germany | 1.1% | +10.0% | 11.1% |
| 🇯🇵Japan | 1.1% | +10.0% | 11.1% |
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If containing thiocyanates or as double salt
Complex salts with thiocyanates or other ligands fall under 2842 per Chapter Note 6, shifting from simple ferricyanide.
If diagnostic reagents in kits
Prepared as lab diagnostic kits or with additives, it becomes a reagent composition under 3822, not a pure compound.
If used as inorganic pigment
When formulated as luminophore or pigment for dyes/paints, it moves to Chapter 32 per Chapter Note 3(e).
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Import Tips & Compliance
• Verify purity certificate (typically 99%+ Fe(CN)6 content) to confirm classification as chemically defined under Chapter 28 Note 1
• Include Safety Data Sheet (SDS) and ensure REACH/ TSCA compliance for chemical imports to avoid FDA or EPA holds
• Declare exact CAS number (13746-66-2) on commercial invoice to prevent misclassification as mixtures
Related Products under HTS 2837.20.10.00
Technical Grade Potassium Ferricyanide
Technical grade potassium ferricyanide crystals for industrial blueprinting and photography processes. Classified under HTS 2837.20.10.00 as it is a specific complex cyanide, chemically defined per subheading note to 2852 and Chapter 28. Used in cyanotype printing for its light-sensitive properties.
ACS Reagent Potassium Ferricyanide
American Chemical Society (ACS) grade potassium ferricyanide for high-precision titrations and spectroscopy. This pure, chemically defined complex cyanide is explicitly under HTS 2837.20.10.00 as potassium ferricyanide. Meets stringent lab standards for trace metal analysis.
Potassium Ferricyanide Lab Crystals
Large crystal form of potassium ferricyanide for educational lab demonstrations of redox reactions. Falls under HTS 2837.20.10.00 as a complex cyanide, pure and chemically defined. Iconic for 'Prussian blue' formation experiments.