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.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If aluminum sodium sulfate (alum)
Double salts with aluminum classify under alums in 2833.29.
If pre-formulated into medicinal doses
Medicinal preparations of inorganic salts move to Chapter 30.
If for industrial non-pharma purity
Lower purity levels shift to general sodium sulfates.
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Import Tips & Compliance
• Provide stability data for hydrated form; FDA registration if for human use
• Avoid declaring as anhydrous to prevent duty disputes
Related Products 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.
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.