Silver Oxide Powder
Silver oxide (Ag2O) is a chemically defined inorganic silver compound used in battery production and chemical synthesis. It is not a nitrate or complex salt, so it falls under this tariff item for other silver compounds.
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 |
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If the silver oxide is in colloidal form
Colloidal precious metals are classified separately.
If the product is an amalgam of silver
Amalgams are a distinct category under heading 28.43.
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 product is pure silver oxide with no added binders or stabilizers
• Provide an SDS and certificate of analysis to CBSA
• If the powder is for battery use, ensure it is not mixed with other materials that could change classification
Related Products under Tariff item 2843.29.00
Silver Bromide Crystals
Silver bromide (AgBr) crystals are a chemically defined inorganic compound of silver, used primarily in photographic film emulsions and specialty optics. As a silver compound not otherwise specified, it falls under tariff item 2843.29.00 for other silver compounds.
Silver Carbonate Precipitate
Silver carbonate (Ag2CO3) is a chemically defined inorganic silver compound used in organic synthesis and as a colorant. Although carbonates are generally classified in heading 28.36, silver carbonate is specifically excluded from that heading by Chapter Note 2 and falls under this tariff item for other silver compounds.
Silver Chloride Powder
Silver chloride (AgCl) is a white, insoluble, chemically defined inorganic silver compound used in photography, optics, and antimicrobial applications. It is not a nitrate or complex salt, so it falls under this tariff item for other silver compounds.
Silver Cyanide Powder
Silver cyanide (AgCN) is a chemically defined inorganic silver compound used in silver plating and chemical manufacturing. Although cyanides are generally classified in heading 28.37, silver cyanide is excluded from that heading by Chapter Note 2 and falls under this tariff item for other silver compounds.
Silver Iodide Crystals
Silver iodide (AgI) is a chemically defined inorganic silver compound used in cloud seeding, photography, and antiseptics. As a silver compound not otherwise specified, it falls under this tariff item for other silver compounds.
Silver Nitrate Crystals
Silver nitrate (AgNO3) is a chemically defined inorganic silver compound used in photography, medicine, and as a chemical reagent. Although it is a nitrate, it is not classified under heading 28.34 because it is a compound of a precious metal; it falls under this tariff item for other silver compounds.