Vanadyl Sulfate Powder
Vanadyl sulfate (VOSO4) is a blue crystalline powder used as a catalyst in organic synthesis and in nutritional supplements for vanadium content. It is classified under HTS 2833.29.30.00 as 'other sulfates of vanadium', meeting the chemically defined criteria of Chapter 28.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If of magnesium instead of vanadium
Different metal sulfates like magnesium fall under specific subheadings in 2833.
If when doped for electronics or in wafer form
Doped chemical elements in disc/wafer forms shift to 3818, mixtures to 3824 per Chapter Notes.
If used as luminophores
Inorganic products used as luminophores excluded to 3206 or related headings.
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Import Tips & Compliance
• Require supplier COA confirming >99% purity to stay in 2833, avoiding 3824 for preparations
• For supplement use, ensure FDA compliance with labeling; industrial uses need EPA review
Related Products under HTS 2833.29.30.00
Vanadium Pentoxide Sulfate
Vanadium pentoxide sulfate (V2O5·SO3) is a chemically defined inorganic compound used in catalysts for oxidation reactions and in the production of vanadium metal. It falls under HTS 2833.29.30.00 as a sulfate of vanadium, specifically classified among other vanadium sulfates due to its sulfate group and vanadium content.
Ammonium Metavanadate Sulfate
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.
Ferric Vanadium Sulfate
A mixed ferric-vanadium sulfate used in water treatment as a coagulant and in vanadium battery electrolytes. Classified in HTS 2833.29.30.00 for its primary vanadium sulfate composition, provided it meets chemical definition standards.
Vanadium(IV) Sulfate Hydrate
Vanadium(IV) sulfate pentahydrate (V(SO4)2·5H2O) serves as a reagent in chemical labs and vanadium redox flow batteries. It is a pure vanadium sulfate under HTS 2833.29.30.00, chemically defined per Chapter 28 notes.
Sodium Vanadyl Sulfate
Sodium vanadyl sulfate is an inorganic salt employed in corrosion inhibitors for steel and in analytical chemistry reagents. It qualifies for HTS 2833.29.30.00 as a chemically defined sulfate of vanadium, distinct from excluded organo-inorganic compounds.