Vanadyl Sulfate Hydrate VO(SO4)·2H2O
Vanadyl sulfate dihydrate (VO(SO4)·2H2O) 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 tariff item 2825.30.00 as a vanadium hydroxide derivative.
Import Duty Rates by Country of Origin
| Origin Country | MFN Tariff | Surtaxes | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | Free | — | Free |
| 🇲🇽Mexico | Free | — | Free |
| 🇺🇸United States | Free | — | Free |
| 🇩🇪Germany | Free | — | Free |
| 🇯🇵Japan | Free | — | Free |
More Specific Codes
This product may fall under a more specific subheading:
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If classified as a vanadyl salt
If the CBSA considers this a salt of vanadic acid, heading 28.41 may apply.
If the sulfate group is considered primary
Other metal sulfates fall under heading 28.33, though the vanadium oxide character usually prevails.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right tariff item — and can price the duty on it in the same conversation.
Import Tips & Compliance
• The dihydrate form is a hydrate, which is acceptable under Chapter 28 Note 1(b)
• Provide the exact water content and purity data
• If used as a catalyst precursor, verify any environmental or safety regulations
Related Products under Tariff item 2825.30.00
99.9% Pure Vanadium Pentoxide V2O5
Electronic grade vanadium pentoxide with 99.9% purity is an anhydrous powder for thin-film deposition. As a chemically defined metal oxide, it falls under tariff item 2825.30.00, provided it is not doped for electronics.
Ammonium Metavanadate NH4VO3
Ammonium metavanadate (NH4VO3) is a white to pale yellow crystalline powder used as an intermediate in vanadium processing and in ink production. Although it contains an ammonium group, it is classified as a vanadium oxide/hydroxide derivative under tariff item 2825.30.00 because the vanadium-oxygen core determines its essential character.
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 is classified under tariff item 2825.30.00, consistent with the chemically defined compound criteria.
Anhydrous Vanadium Pentoxide Granules
Granular vanadium pentoxide (V2O5) in anhydrous, non-hygroscopic form is used in glass coloring and vanadium battery production. It is a chemically defined vanadium oxide under tariff item 2825.30.00.
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 tariff item 2825.30.00 when vanadium is the predominant metal and the product is chemically defined.
Divanadium Tetraoxide VO2
Divanadium tetraoxide (VO2) is a blue-black powder with a reversible metal-insulator transition, making it valuable for smart windows and sensor applications. It is a chemically defined vanadium oxide, which falls under tariff item 2825.30.00 for vanadium oxides and hydroxides.