Copper Cyanide Technical Grade
Copper(I) cyanide (CuCN) technical grade powder is an intermediate in organic synthesis and copper plating baths. It is a chemically defined simple cyanide of copper, an inorganic base. The technical grade does not exclude it from Chapter 28, as it remains a separate 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 |
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
• Specify the product as copper(I) cyanide with CAS number 544-92-3
• Provide a certificate of analysis for technical grade
• Ensure compliance with Canadian import regulations for toxic substances
Related Products under Tariff item 2837.19.00
Barium Cyanide Granules
Barium cyanide granules (Ba(CN)2) are used in chemical synthesis and water treatment. They are a chemically defined simple cyanide of barium, an inorganic base. The product meets Chapter 28 Note 1 and is classified under this tariff item as 'other' cyanides.
Barium Cyanide Powder
Barium cyanide (Ba(CN)2) is a fine white powder used in specialty chemical manufacturing, including the production of other barium compounds and as a reagent in organic synthesis. It is a simple cyanide of an inorganic base, barium, and meets the chemical definition criteria of Chapter 28 Note 1. It is not a complex cyanide, so it falls under tariff item 2837.19.00 for other cyanides.
Cadmium Cyanide Crystals
Cadmium cyanide crystals (Cd(CN)2) are used in cadmium electroplating for corrosion-resistant coatings. They are a chemically defined simple cyanide of cadmium, an inorganic base. The crystalline form does not affect classification under this tariff item.
Cadmium Cyanide Fine Powder
Cadmium cyanide (Cd(CN)2) is a fine powder used in cadmium electroplating to produce corrosion-resistant coatings on metals. It is a simple cyanide of an inorganic base, cadmium, and is chemically defined as per Chapter 28 Note 1. It is not a complex cyanide, so it is classified under tariff item 2837.19.00 for other cyanides.
Calcium Cyanide 70% Technical Solution Precursor
Calcium cyanide at 70% technical concentration is a chemically defined compound of calcium and cyanide, used as a precursor for on-site solution making in mining. It is a simple cyanide of an inorganic base, falling under this tariff item. The concentration does not affect classification as long as it is a separate compound.
Calcium Cyanide Ca(CN)2 Powder
Calcium cyanide powder (Ca(CN)2) is a white crystalline powder used in gold mining for ore extraction via cyanidation. It is a chemically defined simple cyanide of calcium, an inorganic base. The product meets Chapter 28 Note 1 and is classified under this tariff item as 'other' cyanides.