Magnesium Sulfate Heptahydrate (Epsom Salt) from China
Pharmaceutical-grade magnesium sulfate heptahydrate, known as Epsom salt, is used for baths, laxatives, and medical applications. HTS 2833.29.51 covers it as an other sulfate, provided it's chemically pure and not a preparation.
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)
9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter
Import Tips
• Differentiate USP/pharma grade from technical grade with CoA to maintain Chapter 28 status
• For retail packs over certain sizes, risk reclassification to Chapter 33 cosmetics
• Ensure food-grade certification if intended for ingestible uses to meet FDA entry requirements