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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 2833.11.50.50
Anhydrous Sodium Sulfate USP Grade
Pure anhydrous disodium sulfate (Na2SO4) meeting United States Pharmacopeia standards for use in pharmaceutical manufacturing and laboratory applications. Classified under HTS 2833.11.5050 as 'other' disodium sulfate, distinct from crude or refined salt cake forms. It is a chemically defined inorganic salt used as a filler or drying agent.
Pharmaceutical Grade Glauber Salt
Hydrated disodium sulfate decahydrate (Na2SO4·10H2O), known as Glauber's salt, in pharmaceutical purity for use as a laxative or in compounding. Falls under HTS 2833.11.5050 as 'other' disodium sulfate, separate from industrial grades. Chemically defined per Chapter 28 notes.
Lab Reagent Sodium Sulfate Decahydrate
High-purity Na2SO4·10H2O crystals for analytical chemistry labs, used in precipitation and drying procedures. Classified in HTS 2833.11.5050 as other disodium sulfate due to its chemically defined nature excluding crude forms. Meets Chapter 28 purity standards.
ACS Grade Anhydrous Sodium Sulfate
American Chemical Society reagent grade anhydrous Na2SO4 for precise laboratory syntheses and extractions. HTS 2833.11.5050 covers this as other disodium sulfate, chemically defined inorganic compound per Chapter 28 Note 1. Excludes fertilizer or crude variants.
Technical Grade Disodium Sulfate Powder
Fine powder form of Na2SO4 for industrial glass manufacturing and detergent fillers, purity >99%. Under HTS 2833.11.5050 as other disodium sulfate, not qualifying as crude natural salt cake. Chemically defined salt per HTS Chapter 28.
Sodium Sulfate for Detergent Production
Granular disodium sulfate used as a bulking agent in powdered laundry detergents. HTS 2833.11.5050 applies to this pure form as other disodium sulfate, excluding Chapter 34 soap preparations. Meets inorganic salt definition.
Glass Manufacturing Sodium Sulfate Frits
Fritted disodium sulfate for high-temperature flux in flat glass production. Classified HTS 2833.11.5050 as other pure disodium sulfate, not glass powder of 3207 per Chapter exclusions. Chemically defined prior to vitrification.
Paper Pulping Sodium Sulfate
High-purity Na2SO4 for kraft process in paper pulp digestion, aiding lignin removal. HTS 2833.11.5050 for other disodium sulfate, chemically pure excluding Chapter 47 wood pulp. Inorganic salt per definitions.
Textile Dyeing Sodium Sulfate
Crystalline disodium sulfate used as electrolyte in reactive dyeing of cotton fabrics. Under HTS 2833.11.5050 as other form, pure chemical for textile processing per Chapter 28. Excludes Chapter 32 dyes.
Battery Grade Sodium Sulfate
Ultra-pure Na2SO4 for sodium-ion battery electrolyte precursors. HTS 2833.11.5050 covers this specialty other disodium sulfate, chemically defined for electronics per Chapter notes. Excludes doped elements.
Cosmetic Grade Sodium Sulfate
Fine powder Na2SO4 meeting CTFA standards for use in bath salts and scrubs as thickener. Classified HTS 2833.11.5050 as other disodium sulfate, pure form excluding Chapter 33 cosmetics. Inorganic per definitions.
Food Processing Sodium Sulfate
FCC-grade disodium sulfate for use in meat curing brines and starch processing. HTS 2833.11.5050 for other pure form, chemically defined salt not covered by Chapter 21 food preps. Excludes direct additives.
Water Treatment Sodium Sulfate
Granular Na2SO4 for precipitation of heavy metals in wastewater treatment plants. Under HTS 2833.11.5050 as other disodium sulfate, pure chemical excluding Chapter 38 water treatments. Inorganic salt application.
Microelectronics Sodium Sulfate
Ultra-high purity Na2SO4 for wafer cleaning solutions in semiconductor fabs. HTS 2833.11.5050 applies to this other disodium sulfate, chemically defined per Chapter note on undoped forms. Excludes worked silicon.
Veterinary Sodium Sulfate Solution Precursor
Pure disodium sulfate powder for reconstitution into veterinary purgative solutions. Classified in HTS 2833.11.5050 as other form, pure salt not Chapter 23 vet feeds. Chemically defined inorganic.