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Sulfates; alums; peroxosulfates (persulfates): > Sodium sulfates: > Disodium sulfate: > Other

Duty Rate (from China)

35.4%
MFN Base Rate0.4%
9903.03.01+10%

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

9903.88.03+25%

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)

Total Effective Rate35.4%

Subheadings

2833.11.50.10Anhydrous
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2833.11.50.50Other
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Products classified under HTS 2833.11.50

Anhydrous Sodium Sulfate

Pure disodium sulfate (Na2SO4) in anhydrous form, a chemically defined inorganic salt used in industrial processes. Classified under HTS 2833.11.50 as 'other' disodium sulfate, excluding crude or refined natural forms. Essential for glass manufacturing and detergent production.

Sodium Sulfate Decahydrate (Glauber's Salt)

Disodium sulfate decahydrate (Na2SO4·10H2O), known as Glauber's salt, a hydrated form chemically defined under Chapter 28. Falls under HTS 2833.11.50 as 'other' disodium sulfate for thermal energy storage and lab applications.

Technical Grade Sodium Sulfate

High-purity synthetic disodium sulfate for industrial detergents and paper pulping. HTS 2833.11.50 covers this 'other' category of chemically defined sodium sulfates.

Pharmaceutical Grade Sodium Sulfate

USP-grade disodium sulfate anhydrous for use in laxative formulations and IV solutions. Strictly chemically defined, classified in HTS 2833.11.50 as other disodium sulfate.

Glass Manufacturing Sodium Sulfate

Calcined synthetic Na2SO4 flux for flat glass production, reducing melting point. HTS 2833.11.50 for other disodium sulfates meeting Chapter 28 purity standards.

Textile Dyeing Sodium Sulfate

Fine crystal Na2SO4 used as leveling agent in reactive dye baths for cotton fabrics. Chemically defined sulfate for HTS 2833.11.50.

Paper Pulping Sodium Sulfate

Recovered synthetic Na2SO4 from kraft process makeup, pure disodium sulfate. Classifies in HTS 2833.11.50 as other non-natural form.

Laboratory Reagent Sodium Sulfate

ACS-grade disodium sulfate for analytical chemistry and water testing labs. Pure compound under HTS 2833.11.50, excluding mixtures.