Vanadium oxides and hydroxides
Hydrazine and hydroxylamine and their inorganic salts; other inorganic bases; other metal oxides, hydroxides and peroxides: > Vanadium oxides and hydroxides
Duty Rate (from China)
Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
Products classified under HTS 2825.30.00
Vanadium Pentoxide V2O5
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 glass and glazes. It falls under HTS 2825.30.00 as a chemically defined vanadium oxide. This compound is essential in oxidation processes due to its variable oxidation states.
Vanadium Trioxide V2O3
Vanadium trioxide (V2O3) is a black crystalline powder utilized in the production of vanadium metal and as a reagent in chemical synthesis. Classified under HTS 2825.30.00 for its chemically defined inorganic nature as a vanadium oxide. It exhibits unique magnetic properties at low temperatures.
Vanadyl Sulfate VOSO4
Vanadyl sulfate (VOSO4) is a blue crystalline compound used in analytical chemistry as a reducing agent and in vanadium redox flow batteries. Though a salt, it contains vanadium oxide hydrate equivalents and is imported under HTS 2825.30.00 for hydroxides. It provides vanadium in +4 oxidation state solutions.
Divanadium Tetraoxide VO2
Divanadium tetraoxide, commonly VO2, is a blue-black powder that undergoes metal-insulator transition, used in smart windows and sensors. It is a chemically defined vanadium oxide under HTS 2825.30.00. This thermochromic material changes optical properties with temperature.
Vanadium Oxyhydroxide VOO H
Vanadium oxyhydroxide (VOOH) is used in battery cathodes and as a precursor for other vanadium compounds in pigment production. It qualifies under HTS 2825.30.00 as a vanadium hydroxide. The compound's layered structure aids in ion intercalation.
Vanadium Dioxide Nanoparticles
Vanadium dioxide nanoparticles are engineered for optical switching applications in photonics and camouflage materials. As pure V O2 in unworked powder form, they classify under HTS 2825.30.00 per Chapter 28 notes on chemically defined oxides. Size control enables phase transition at lower temperatures.
Ammonium Metavanadate NH4VO3
Ammonium metavanadate (NH4VO3) serves as an intermediate in vanadium processing and in ink production. While containing ammonium, its primary vanadium oxide nature places it under HTS 2825.30.00 when imported as hydroxide equivalent. It decomposes to V2O5 upon heating.
Vanadium Sesquioxide Powder
Vanadium sesquioxide powder (V2O3) is employed in solid-state chemistry research and as a reducing agent. This pure oxide form is definitively under HTS 2825.30.00. It displays antiferromagnetic behavior below 150K.
Sodium Vanadate Na3VO4
Sodium vanadate (Na3VO4) is utilized in protein phosphorylation studies and as a corrosion inhibitor. As a derivative hydroxide structure, it falls under HTS 2825.30.00. The tetrahedral vanadate ion is key to its biochemical activity.
Vanadium Hydroxide Colloidal Solution
Colloidal vanadium hydroxide solution is used in sol-gel processing for thin films and catalysts. The dispersed hydroxide particles classify under HTS 2825.30.00. Concentration typically 5-20% by weight.
High-Purity Vanadium Pentoxide 99.9%
High-purity vanadium pentoxide (99.9% V2O5) is for semiconductor doping and single-crystal growth. Meets Chapter 28 purity standards for HTS 2825.30.00. Trace metal analysis ensures electronic grade quality.
Vanadium(IV) Oxide Hydrate
Vanadium(IV) oxide hydrate is a precursor for VO2 thin films in optical devices. As hydrated oxide, under HTS 2825.30.00. Loses water at 400°C to form anhydrous VO2.