Sodium Sulfate Decahydrate (Glauber's Salt) from China
Disodium sulfate decahydrate (Na2SO4·10H2O), known as Glauber's salt, a hydrated form chemically defined under Chapter 28. Falls under HTS 2833.11.50 as 'other' disodium sulfate for thermal energy storage and lab applications.
Duty Rate — China → United States
35.4%
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
9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
Import Tips
• Provide lab assay confirming 10H2O hydration to distinguish from anhydrous form
• Check for REACH compliance if destined for EU markets post-import
• Label as hazardous if shipped in bulk to prevent moisture absorption issues