Ammonium Metavanadate NH4VO3 Crystals from Mexico
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.
Duty Rate — Mexico → United States
5.5%
Rate breakdown
9903.05.860%Universal product exemption (U.S. note 52(b))
Import Tips
• Certify ammonia content <5% to avoid volatility issues in transport; comply with TSCA import requirements
• Test for solubility to confirm metavanadate form