Niobium Pentoxide Powder (Nb2O5)
Niobium pentoxide (Nb2O5) is a high-purity inorganic oxide of the metal niobium, presented as a fine powder. It is a separate chemically defined compound of Chapter 28, used mainly in the production of niobium metal, capacitors, and specialty alloys. Its classification under tariff item 2825.90.00 reflects its status as an 'other inorganic base' or metal oxide not elsewhere specified.
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 niobium pentoxide is mixed with carbon or other reductants for metallurgical use
Mixtures intended for producing niobium metal may be classified as carbides or other inorganic compounds under Chapter 28.
If the product contains binders or additives for a specific industrial application
Products with added substances rendering them suitable for a particular use fall outside Chapter 28.
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
• Ensure the product is chemically defined as Nb2O5 and free of added substances that could shift classification
• Keep a certificate of analysis from the supplier to present to the CBSA if requested
• Verify whether the end use (e.g
• electronics vs. metallurgy) triggers any other regulatory requirements
Related Products under Tariff item 2825.90.00
Antimony-Doped Tin Oxide (ATO) Powder
Antimony-doped tin oxide (ATO) is a powder consisting of tin dioxide doped with antimony to impart electrical conductivity. While it is a metal oxide, the doping introduces an additional element, making it a mixture rather than a single chemically defined compound. However, it is classified under tariff item 2825.90.00 as an 'other' inorganic base or metal oxide, consistent with its oxide character.
Beryllia Ceramic Powder
Beryllia ceramic powder is a high-purity form of beryllium oxide (BeO) used in aerospace and electronics for its thermal and insulating properties. It is a chemically defined inorganic compound, not a finished ceramic article, and is therefore classified under this tariff item for other inorganic bases and metal oxides.
Beryllium Hydroxide Flakes
Beryllium hydroxide flakes are a chemically defined metal hydroxide produced from beryl ore. They are used as a precursor in nuclear and ceramic applications and are classified here as an inorganic base.
Beryllium Oxide Powder
High-purity beryllium oxide powder is a chemically defined compound used in ceramics and electronics. It is not a finished product and falls under this tariff item for other metal oxides.
Cadmium Oxide Catalyst Precursor
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Cadmium Oxide for Battery Manufacturing
Cadmium oxide powder for battery manufacturing is a pure CdO form used as the active cathode material in nickel-cadmium (NiCd) rechargeable batteries. It is a chemically defined inorganic oxide of cadmium, falling under tariff item 2825.90.00 as 'Other' metal oxides. The product is not excluded by Chapter 28 notes.