Other
Other inorganic acids and other inorganic oxygen compounds of nonmetals: > Other inorganic oxygen compounds of nonmetals: > Other: > Other
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 2811.29.50.00
Silicon Dioxide (Amorphous Silica)
Amorphous silicon dioxide, also known as synthetic silica, is a chemically defined inorganic oxygen compound of the nonmetal silicon. It falls under HTS 2811.29.5000 as 'other inorganic oxygen compounds of nonmetals' excluding specified compounds like carbon oxides. Used as a filler in rubber, plastics, and pharmaceuticals.
Boron Trioxide (Boric Oxide)
Boron trioxide (B₂O₃) is a pure inorganic oxygen compound of the nonmetal boron, used in glass manufacturing and as a flux. Classified in HTS 2811.29.5000 as an 'other' inorganic oxygen compound of nonmetals per Chapter 28 notes. It appears as a colorless glassy solid.
Phosphorus Pentoxide
Phosphorus pentoxide (P₄O₁₀), also called phosphoric anhydride, is a white powder used as a desiccant and dehydrating agent. It qualifies under HTS 2811.29.5000 as an other inorganic oxygen compound of the nonmetal phosphorus. Highly reactive with water to form phosphoric acid.
Arsenic Trioxide
Arsenic trioxide (As₂O₃), a white powder used in pharmaceuticals and glass production, is an inorganic oxygen compound of nonmetal arsenic. Falls under HTS 2811.29.5000 per chapter definitions excluding specified compounds. Highly toxic, requiring special handling.
Antimony Trioxide
Antimony trioxide (Sb₂O₃) serves as a flame retardant in plastics and a catalyst in PET production. Classified as an other inorganic oxygen compound of nonmetal antimony under HTS 2811.29.5000. Fine white powder form.
Tellurium Dioxide
Tellurium dioxide (TeO₂) used in optical glass and electroceramics is an inorganic oxygen compound of nonmetal tellurium. Fits HTS 2811.29.5000 as other such compounds. Available as white crystalline powder.
Selenium Dioxide
Selenium dioxide (SeO₂) employed in organic synthesis and glass coloring is a volatile inorganic oxygen compound of nonmetal selenium. Classified under HTS 2811.29.5000 excluding doped forms. White crystalline solid.
Nitrogen Dioxide (Anhydrous)
Anhydrous nitrogen dioxide (NO₂), a reddish-brown gas, used in nitration processes and as rocket propellant oxidizer. As an inorganic oxygen compound of nonmetal nitrogen, classified HTS 2811.29.5000. Supplied in cylinders.
Dinitrogen Pentoxide
Dinitrogen pentoxide (N₂O₅), the anhydride of nitric acid, used in nitrating mixtures. Inorganic oxygen compound of nitrogen under HTS 2811.29.5000. Unstable white solid.
Sulfur Trioxide
Sulfur trioxide (SO₃), used in sulfonation and as sulfuric acid dehydrating agent. As the anhydride form, it's an inorganic oxygen compound of sulfur under HTS 2811.29.5000. Supplied stabilized.
Iodine Pentoxide
Iodine pentoxide (I₂O₅), a powerful oxidizing agent and CO₂ detector, is an inorganic oxygen compound of nonmetal iodine. Classified HTS 2811.29.5000. White powder.
Germanium Dioxide
Germanium dioxide (GeO₂) used in fiber optics and phosphors. Inorganic oxygen compound of metalloid germanium classified under HTS 2811.29.5000 as nonmetal compound. Hexagonal white crystals.