Vanadyl Sulfate VOSO4 from Germany
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 — Germany → United States
5.5%
Rate breakdown
9903.05.860%Universal product exemption (U.S. note 52(b))
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