New

Ask Wove anything about tariffs.

Try Tariff Assistant

Potassium Metavanadate

Potassium metavanadate (KVO3) is an inorganic salt derived from metavanadic acid, specifically classified as a vanadate in HTS 2841.90.10.00. Applied in analytical chemistry and pigment production.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳China5.5%+37.5%43%
🇲🇽Mexico5.5%+10.0%15.5%
🇨🇦Canada5.5%+10.0%15.5%
🇩🇪GermanyFree+10.0%10%
🇯🇵JapanFree+12.5%12.5%

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

2833.25.00.00Lower: 26.4% vs 43%

If containing sulfate impurities

Sulfate-contaminated vanadates may classify under complex salts of inorganic bases.

2840.11.00.00Lower: 37.8% vs 43%

If for anhydrous vanadium pentoxide form

Parent oxide form before salt conversion falls under oxides of vanadium.

Not sure which classification is right?

The Tariff Assistant works through the GRI rules on your specific product to reach the right HTS code — and can price the duty on it in the same conversation.

Import Tips & Compliance

• Ensure CAS number 13769-43-2 is documented for customs verification

• Check for anti-dumping duties on vanadium compounds from specific countries

• Use proper packaging to prevent moisture absorption during transit