Ammonium Metavanadate Sulfate from Canada
A double salt combining ammonium metavanadate with sulfuric acid derivatives, used in vanadium pigment manufacturing and steel alloying. Classified under HTS 2833.29.30.00 as a vanadium sulfate per notes on double salts in heading 2842 applying only to specific cases, but sulfates remain in 2833.
Duty Rate — Canada → United States
15.5%
Rate breakdown
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
Import Tips
• Label as 'chemically defined' with exact formula to distinguish from organo-inorganic compounds excluded by Chapter Note 2
• Provide end-use declarations if for industrial catalysts to prevent scrutiny under environmental regulations
• Ensure packaging prevents moisture absorption, as it can alter chemical structure and affect classification