Magnesium Sulfate Anhydrous Granules from China
Anhydrous magnesium sulfate (MgSO4) granules act as a desiccant (Epsom salt dried form) in labs and pharma, under HTS 2833.29.51.90. Distinguished from Chapter 25 natural minerals.
Duty Rate — China → United States
28.7%
Rate breakdown
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)
9903.05.860%Universal product exemption (U.S. note 52(b))
Import Tips
• Differentiate from heptahydrate with loss-on-drying tests >95%
• FDA registration required for pharmaceutical intermediates
• Bulk packaging prevents retail salt misclassification