Vanadyl Sulfate Hydrate VO(SO4)·2H2O
Vanadyl sulfate dihydrate is a blue crystalline inorganic salt used in analytical chemistry and as a catalyst precursor. Though a salt, its vanadium oxide hydroxide nature places it under HTS 2825.30.0050 as 'other' vanadium oxides/hydroxides. It meets inorganic base criteria excluding organic derivatives.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If purely classified by sulfate anion without vanadium emphasis
Other sulfates of metals may fall under 2833, but vanadium hydroxide salts stay in 2825.
If as complex salts with other metals
Double or complex salts of inorganic bases classify in 2842 per Chapter note.
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Import Tips & Compliance
• Include chemical analysis confirming vanadium hydroxide base structure; package to prevent moisture absorption affecting hydrate stability
• Beware of classification as complex salts under 2842 if double salts present
Related Products under HTS 2825.30.00.50
Vanadium Pentoxide V2O5 Powder
Vanadium pentoxide (V2O5) is a yellow to red crystalline powder used primarily as a catalyst in sulfuric acid production and in the ceramics industry for coloring glazes. It falls under HTS 2825.30.0050 as 'other' vanadium oxides, distinct from vanadium dioxide. This chemically defined inorganic compound meets Chapter 28 criteria for classification here.
Vanadium Trioxide V2O3 Granules
Vanadium trioxide (V2O3) granules are black powder or granular material used in vanadium metal production and as a reagent in chemical synthesis. Classified under HTS 2825.30.0050 as 'other' vanadium oxides, excluding the more common V2O5 or VO2. It qualifies as a chemically defined inorganic compound.
Ammonium Metavanadate NH4VO3 Crystals
Ammonium metavanadate crystals are white to pale yellow solids used to produce vanadium pentoxide and in leather tanning. As a vanadium hydroxide derivative with ammonium, it fits HTS 2825.30.0050 'other' category for chemically defined inorganic vanadium compounds.
Sodium Metavanadate NaVO3·2H2O Powder
Sodium metavanadate dihydrate powder serves as a corrosion inhibitor and in ink production. This metal hydroxide derivative classifies under HTS 2825.30.0050 as 'other' vanadium hydroxides, chemically defined per Chapter 28.
Vanadium Oxytrichloride VOCl3 Liquid
Vanadium oxytrichloride is a pale yellow liquid used as a catalyst and polymerisation initiator. As a derivative of vanadium oxide, it falls under HTS 2825.30.0050 'other' despite chloride presence, per chemically defined inorganic classification.
Divanadium Pentoxide Technical Grade
Technical grade divanadium pentoxide (5V2O5·9MoO3) is used in ferrovanadium alloy production. This mixed oxide classifies as 'other' vanadium oxide under HTS 2825.30.0050 when vanadium predominant and chemically defined.