Magnesium Per Carbonate from China
Magnesium percarbonate is utilized in oral care products like toothpaste for whitening and as a mild disinfectant. Classified in HTS 2836.99.50 as other peroxocarbonates, per Chapter notes excluding section V products. It decomposes to hydrogen peroxide and magnesium carbonate.
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
• Cross-check with FDA for cosmetic/drug claims; may need cosmetic notification
• Document exclusion from section V (e.g
• not pure magnesium oxide)
• Avoid bulk misclassification as fertilizer additives under Chapter 31