Ammonium Metavanadate

Ammonium metavanadate ((NH4)VO3) is a key intermediate in vanadium processing, a salt of vanadic acid under HTS 2841.90.10.00. Commonly used in catalysts, inks, and chemical synthesis.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳China5.5%+35.0%40.5%
🇲🇽Mexico5.5%+10.0%15.5%
🇨🇦Canada5.5%+10.0%15.5%
🇩🇪Germany5.5%+10.0%15.5%
🇯🇵Japan5.5%+10.0%15.5%

Alternative Classifications

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

2835.29Lower: 14.1% vs 40.5%

If considered a vanadate of ammonium as phosphate analog

Ammonium salts sometimes shift to Chapter 28 phosphatic salts if structure debated.

2841.90Same rate: 40.5%

If for complex vanadates

More complex or mixed vanadates may fall under other vanadates subheading.

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Import Tips & Compliance

Provide Certificates of Analysis (CoA) confirming ammonium vanadate structure

Comply with REACH or TSCA registration for chemical substances

Label as hazardous (toxic) per DOT regulations to prevent shipping delays