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.
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 in prepared photographic solutions
When dissolved and put up for photographic use, it becomes a developer chemical under Chapter 37, not pure compound.
If misidentified as carbonate salt
Error in composition analysis might place it under carbonates (2836), but cyanide structure defines 2837 per notes.
If colloidal or precious metal complex
Colloidal gold ferricyanide for special uses falls under 2843 as precious metal compounds.
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Import Tips & Compliance
• Provide assay report showing >98% purity to distinguish from mixtures and ensure 2837 classification
• Label packages with UN number 1588 and 'Poison' marking for DOT hazardous material compliance during import
• Avoid bulk packaging over 25kg without stabilizers, as it may trigger reclassification as unstable under 2853
Related Products under HTS 2837.20.10.00
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.
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.