High-Purity Synthetic Iron Oxide for Battery Cathodes
High-purity synthetic iron oxide powder, with a purity of at least 99% Fe2O3 equivalent, is intended for use in lithium-iron-oxide battery cathodes. Despite its specialized application, it remains a separate chemically defined iron oxide. It is classified under tariff item 2821.10.00 as an iron oxide.
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 iron oxide is mixed with other chemical products for a specific industrial use
Prepared chemical products for industrial use may apply when the product is not a separate chemically defined compound.
If the product contains precious metals or their compounds
Colloidal precious metals and compounds are classified in 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 meets the purity specifications and that no doping agents render it a product of heading 38.18
• Maintain detailed technical data sheets to support classification
• Check if the battery material is subject to Canadian transportation of dangerous goods regulations
Related Products under Tariff item 2821.10.00
Bayferrox 110 Red Iron Oxide
Bayferrox 110 Red Iron Oxide is a commercial-grade synthetic red iron oxide pigment containing more than 70% combined iron evaluated as Fe2O3, used primarily in automotive coatings for its precise hue control and durability. It is classified under tariff item 2821.10.00 because it is an iron oxide pigment meeting the chapter's criteria for separate chemically defined compounds or products with added stabilizers.
Bayferrox 920 Yellow Iron Oxide Pigment
Bayferrox 920 Yellow Iron Oxide Pigment is a premium synthetic yellow iron oxide pigment (goethite structure) with over 70% combined iron as Fe2O3, designed for high-end architectural coatings and flooring. It is classified under tariff item 2821.10.00 as an iron oxide hydroxide, meeting the chapter's criteria.
Black Iron Oxide (Magnetite) Powder
Black Iron Oxide (Magnetite) Powder is a chemically defined iron oxide (Fe3O4) with a combined iron content exceeding 70% evaluated as Fe2O3. It is used in magnetic inks, ferrites, and industrial pigments, and falls under tariff item 2821.10.00 for iron oxides and hydroxides.
Brown Iron Oxide Blend Pigment
Synthetic brown iron oxide blend, created by mixing red and yellow oxides, achieves a total iron content above 70% as Fe2O3. It is used in flooring tiles and architectural coatings for consistent colour matching. This product is classified under tariff item 2821.10.00 as an iron oxide.
Ferric Hydroxide Precipitate
Ferric Hydroxide Precipitate is a chemically defined iron hydroxide (Fe(OH)3) with a combined iron content exceeding 70% evaluated as Fe2O3. It is used in water treatment, pharmaceuticals, and as a pigment intermediate, and falls under tariff item 2821.10.00 for iron oxides and hydroxides.
Ferric Oxide Red Powder (Synthetic)
Ferric Oxide Red Powder (Synthetic) is a high-purity synthetic ferric oxide red powder used in ceramic glazes and concrete colorants, with an Fe2O3 content exceeding 70%. It is classified under tariff item 2821.10.00 as an iron oxide, meeting the chapter's requirements for chemically defined compounds or products with added substances for identification.