Of aluminum
Sulfates; alums; peroxosulfates (persulfates): > Other sulfates: > Of aluminum
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 2833.22.00.00
Aluminum Sulfate Octadecahydrate
Aluminum sulfate octadecahydrate (Al2(SO4)3·18H2O) is a chemically defined inorganic salt of aluminum used primarily in water purification and wastewater treatment as a coagulant. It falls under HTS 2833.22.00.00 as a sulfate of aluminum, distinct from other metal sulfates in heading 2833.
Anhydrous Aluminum Sulfate
Anhydrous aluminum sulfate (Al2(SO4)3) is the dehydrated form of this aluminum salt, used in industrial applications like paper sizing and flame retardants. Classified under HTS 2833.22.00.00 specifically as a sulfate of aluminum.
Technical Grade Aluminum Sulfate
Technical grade aluminum sulfate, typically 17% Al2O3 basis, serves as a flocculant in municipal water treatment plants. It is a chemically defined sulfate of aluminum, fitting HTS 2833.22.00.00 per Chapter 28 definitions.
Alum Cake (Aluminum Sulfate Byproduct)
Alum cake is a solid byproduct form of aluminum sulfate from water treatment, containing the chemically defined Al2(SO4)3 compound. It remains classified under HTS 2833.22.00.00 as an aluminum sulfate.
Liquid Aluminum Sulfate Solution 48%
Liquid aluminum sulfate solution at 48% concentration is an aqueous form of the aluminum salt used for coagulation in industrial processes. Despite being in solution, the chemically defined compound places it under HTS 2833.22.00.00.
Granular Aluminum Sulfate for Paper Sizing
Granular aluminum sulfate specifically formulated for rosin sizing in paper production reacts with resins to improve water resistance. As a pure sulfate of aluminum, it is classified in HTS 2833.22.00.00.
Pharmaceutical Grade Aluminum Sulfate
USP-grade aluminum sulfate meets strict purity standards for pharmaceutical applications like astringents in topical formulations. Its chemically defined nature as an aluminum sulfate confirms HTS 2833.22.00.00 classification.
Aluminum Ammonium Sulfate (Ammonium Alum)
Aluminum ammonium sulfate (NH4Al(SO4)2·12H2O), known as ammonium alum, is used as a mordant in dyeing and baking powder. As a salt of aluminum, it falls under HTS 2833.22.00.00 per heading scope for aluminum sulfates.
Flame Retardant Aluminum Sulfate Powder
Fine powder aluminum sulfate used as a component in flame retardant formulations for textiles and plastics. Remains classified as chemically defined aluminum sulfate under HTS 2833.22.00.00.