2025 Canada Customs Tariff and excise; Imports; Exports; chapter-by-chapter (T2025 2025-01-01)

HTS Code 28.06 28.09
Description of Goods Hydrogen chloride (hydrochloric acid); chlorosulphuric acid. Diphosphorus pentaoxide; phosphoric acid; polyphosphoric acids, whether or not chemically defined.
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