Ammonium Metavanadate NH4VO3 from China
Ammonium metavanadate (NH4VO3) is a white to pale yellow crystalline powder used as an intermediate in vanadium processing and in ink production. Although it contains an ammonium group, it is classified as a vanadium oxide/hydroxide derivative under tariff item 2825.30.00 because the vanadium-oxygen core determines its essential character.
Duty Rate — China → Canada
0%
Import Tips
• Ensure the product is chemically pure and meets the definition of a separate chemically defined compound under Chapter 28 Note 1
• Provide a certificate of analysis to the CBSA to support classification
• Verify whether the end use (e.g
• catalyst production) triggers any other regulatory requirements