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Laboratory Reagent Sodium Sulfate

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

Import Duty Rates by Country of Origin

Origin Country	MFN Rate	Ch.99 Surcharges	Total Effective Rate
🇨🇳China	0.4%	+37.5%	37.9%
🇲🇽Mexico	0.4%	+10.0%	10.4%
🇨🇦Canada	0.4%	+10.0%	10.4%
🇩🇪Germany	Free	+10.0%	10%
🇯🇵Japan	Free	+12.5%	12.5%

More Specific Codes

This product may fall under a more specific subheading:

2833.11.50.10Anhydrous

2833.11.50.50Other

Alternative Classifications

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

3822Lower: 12.5% vs 37.9%

If certified diagnostic reagents

Lab reagents for medical analysis move to 3822.

2840Lower: 16.2% vs 37.9%

If borates or peroxyborates form

Peroxysalts of nonmetals classify differently.

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.

Classify and price this product Calculate exact duty

Import Tips & Compliance

• Include reagent grade certificate from supplier

• Small packages may qualify for informal entry

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.

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.