Sodium Sulfate Decahydrate Technical Grade
Technical grade sodium sulfate decahydrate is a hydrated form used in heat packs and as a laboratory reagent, but classified here as 'other' when not meeting Glauber's salt criteria for purity or form. It fits HTS 2833.19.00.00 for sodium sulfates excluding the primary decahydrate subheading.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If high-purity Glauber's salt form
Standard commercial decahydrate (Glauber's salt) has its own dedicated subheading.
If used as pigment grinding aid in paints
Sulfates in paint/dye preparations shift to Chapter 32 headings.
If stabilized hydrogen peroxide with sulfate
Peroxide-sulfate complexes fall under hydrogen peroxide heading.
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Import Tips & Compliance
• Provide crystallization water content certification to distinguish from 2833.11
• Label packages clearly as technical grade to prevent reclassification
• Comply with REACH-like regulations for chemical imports into the US
Related Products under HTS 2833.19.00.00
Sodium Sulfate Anhydrous (Salt Cake)
Sodium sulfate anhydrous, also known as salt cake, is a white crystalline powder used in the glass, paper, and detergent industries as a filler and fluxing agent. It falls under HTS 2833.19.00.00 as 'other' sodium sulfates, distinct from Glauber's salt (sodium sulfate decahydrate) classified in 2833.11.50.00.
Sodium Bisulfate Monohydrate
Sodium bisulfate monohydrate (NaHSO4·H2O), also called niter cake, is an acid salt used for pH adjustment in pools, cleaning agents, and food processing. As a sodium sulfate derivative, it classifies under HTS 2833.19.00.00 for other sodium sulfates.
Trisodium Phosphate Dodecahydrate
No—persulfate is 2833.40. Sodium sulfate calcined powder for glass manufacturing, classified as 'other' under HTS 2833.19.00.00.