Pharmaceutical Intermediate Salt Cake
Technical grade salt cake serving as salting-out agent in protein precipitation for biotech pharmaceutical production. Classifies under HTS 2833.11.10.00 as salt cake, not the purer grades used directly in formulations.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If USP/NF pharmaceutical grade
Medicinal purity levels classified as 'other' refined sodium sulfate
If sterile packaged for direct pharma use
Medicinal preparations supersede bulk chemical status
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Import Tips & Compliance
• GMP facility certification for pharma use; endotoxin testing required
• Refined grades (>99.5%) shift to 2833.19
Related Products under HTS 2833.11.10.00
Salt Cake (Sodium Sulfate Anhydrous)
Salt cake is the commercial name for disodium sulfate (Na2SO4) in its anhydrous form, produced as a by-product in chemical manufacturing processes like hydrochloric acid production. It falls under HTS 2833.11.10.00 as it is specifically defined as 'salt cake,' a crude or technical grade of sodium sulfate distinct from refined versions.
Industrial Salt Cake for Glass Manufacturing
Coarse-grained salt cake used primarily as a flux in flat glass production to lower melting temperatures of silica. Classified under HTS 2833.11.10.00 due to its identification as 'salt cake,' the standard technical grade sodium sulfate for industrial applications.
Technical Grade Salt Cake for Detergent Production
Salt cake serving as filler and processing aid in powdered laundry detergent formulations, providing bulk and flow properties. HTS 2833.11.10.00 applies as it's the designated subheading for this commercial form of disodium sulfate.
Salt Cake By-Product from HCl Production
Crystalline salt cake generated as waste from the Mannheim process for hydrochloric acid manufacture from sodium chloride. Specifically provided for under HTS 2833.11.10.00 as 'salt cake,' distinguishing it from purified sodium sulfate.
Kraft Pulping Grade Salt Cake
Technical sodium sulfate (salt cake) used in sulfate pulp mills to regenerate cooking liquor during kraft paper production. Falls under HTS 2833.11.10.00 as the standard 'salt cake' specification for this essential pulping chemical.
Glass Batch Salt Cake Additive
Granular salt cake incorporated into glass batch compositions as a fining agent and viscosity modifier. HTS 2833.11.10.00 classification applies to this technical grade disodium sulfate known commercially as salt cake.