Mercuric Potassium Cyanide Crystals
Mercuric potassium cyanide (K2[Hg(CN)4]) is used in electroplating baths and as an intermediate in heavy metal separations. It is a chemically defined complex cyanide of mercury and potassium, meeting the criteria of Chapter 28 Note 1(a). This product is classified under tariff item 2852.10.00 as a chemically defined mercury compound.
Import Duty Rates by Country of Origin
| Origin Country | MFN Tariff | Surtaxes | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | Free | — | Free |
| 🇲🇽Mexico | Free | — | Free |
| 🇺🇸United States | Free | — | Free |
| 🇩🇪Germany | Free | — | Free |
| 🇯🇵Japan | Free | — | Free |
More Specific Codes
This product may fall under a more specific subheading:
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If the complex cyanide is considered a cyanide of an inorganic base
Complex cyanides are in heading 28.37, but Section VI Note 1 prioritizes mercury compounds.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right tariff item — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Confirm the chemical formula and purity with a certificate of analysis for classification under 2852.10.00
• Comply with Canadian hazardous waste regulations if disposing of any residues
• Ensure proper labeling under the Controlled Products Regulations
Related Products under Tariff item 2852.10.00
Dimethylmercury
Dimethylmercury ((CH3)2Hg) is an extremely toxic volatile organomercury compound used in research. It is a chemically defined organic compound of mercury, meeting the criteria of Chapter 28 Note 1(a) and Chapter 28 Note 2. This product is classified under tariff item 2852.10.00 as a chemically defined mercury compound.
Ethylmercury Chloride
Ethylmercury chloride (C2H5HgCl) is an organomercury compound used in organic synthesis research. It is a chemically defined organic compound of mercury, meeting the criteria of Chapter 28 Note 1(a). This product falls under tariff item 2852.10.00 as a chemically defined mercury compound.
Mercuric Acetate
Mercuric acetate (Hg(CH3COO)2) is a white crystalline organomercury compound used in organic synthesis. Though organic, it qualifies as a chemically defined mercury compound under Chapter 28 Note 2, which includes organic products in heading 28.52. This product falls under tariff item 2852.10.00.
Mercuric Bromide
Mercuric bromide (HgBr2) is a white crystalline compound used in photography and medicine. It is a chemically defined inorganic compound of mercury, meeting the criteria of Chapter 28 Note 1(a). This product is classified under tariff item 2852.10.00.
Mercuric Chloride
Mercuric chloride (HgCl2), also known as corrosive sublimate, is a white crystalline inorganic compound of mercury used in laboratory reagents and as a fungicide. It is a chemically defined compound, meeting the criteria of Chapter 28 Note 1(a). This product is classified under tariff item 2852.10.00.
Mercuric Cyanide
Mercuric cyanide (Hg(CN)2) is a highly toxic white powder used in gold mining and electroplating. It is a chemically defined mercury compound, meeting the criteria of Chapter 28 Note 1(a). This product falls under tariff item 2852.10.00, distinct from inorganic base cyanides.