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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.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳China0.4%+37.5%37.9%
🇲🇽Mexico0.4%+10.0%10.4%
🇨🇦Canada0.4%+10.0%10.4%
🇩🇪GermanyFree+10.0%10%
🇯🇵JapanFree+12.5%12.5%

More Specific Codes

This product may fall under a more specific subheading:

2833.11.50.10Anhydrous
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2833.11.50.50Other
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Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

3004.90Lower: 12.5% vs 37.9%

If prepared as medicinal laxative doses

Medicaments containing sodium sulfate classify in Chapter 30.

3822Lower: 12.5% vs 37.9%

If diagnostic reagents with sodium sulfate

Lab reagents for analysis shift to 3822.

Not sure which classification is right?

The Tariff Assistant works through the GRI rules on your specific product to reach the right HTS code — and can price the duty on it in the same conversation.

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Import Tips & Compliance

• Provide USP/EP certificates and DMF for FDA clearance

• Ensure GMP manufacturing documentation for pharmaceutical end-use

• Test for heavy metals to meet pharmacopeia standards

Related Products 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.

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.