Magnesium Sulfate Anhydrous Granules from Canada
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 — Canada → United States
3.7%
Rate breakdown
9903.05.860%Articles provided for in subdivision (b) of U.S. note 52 to this subchapter
Import Tips
• Differentiate from heptahydrate with loss-on-drying tests >95%
• FDA registration required for pharmaceutical intermediates
• Bulk packaging prevents retail salt misclassification