Vanadyl Sulfate VOSO4 from Canada
Vanadyl sulfate (VOSO4) is a blue crystalline compound used in analytical chemistry as a reducing agent and in vanadium redox flow batteries. Though a salt, it contains vanadium oxide hydrate equivalents and is imported under HTS 2825.30.00 for hydroxides. It provides vanadium in +4 oxidation state solutions.
Duty Rate — Canada → United States
15.5%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Import Tips
• Differentiate from pure vanadium salts in 2833 via oxide/hydroxide content declaration; require hydrate water analysis for accurate classification; label as toxic if hydrated form