Selenium Dioxide 99.9% Crystals
High-purity 99.9% selenium dioxide in crystalline form for semiconductor doping and specialty chemical synthesis. It is a chemically defined inorganic oxygen compound of the non-metal selenium, excluding doped forms per Chapter 28 note 8.
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 crystals are doped and cut into discs or wafers
Chapter 28 note 8 directs doped elements in such forms to heading 38.18.
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 crystals are not doped for electronics use, as that would fall under heading 38.18
• Provide purity certificates to the CBSA to support the classification
• Check if the product requires an import permit under Canadian chemical control regulations
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