Lab Reagent Sodium Sulfate Decahydrate from Mexico
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.
Duty Rate — Mexico → United States
10.4%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Import Tips
• Include lot-specific purity certificates; label as reagent grade
• Pitfall: bulk shipments misclassified as 2833.11.1000 salt cake