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2026 Canada Customs Tariff and excise; Imports; Exports; chapter-by-chapter (Effective date: 2026-09-01)
| HTS Code | 28.11 | 28.09 |
| Description of Goods | Other inorganic acids and other inorganic oxygen compounds of non-metals. | Diphosphorus pentaoxide; phosphoric acid; polyphosphoric acids, whether or not chemically defined. |
| Unit of Meas | -- | -- |
| MFN Tariff | -- | -- |
| General Tariff | -- | -- |
| Applicable Preferential Tariffs | -- | -- |