Pharmaceutical Grade Glauber Salt from Mexico
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.
Duty Rate — Mexico → United States
10.4%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Provide stability data for hydrated form; FDA registration if for human use
• Avoid declaring as anhydrous to prevent duty disputes