Magnesium Gluconate Hydrate Powder from China
Magnesium gluconate dihydrate, Mg(C6H11O7)2·2H2O, exemplifies gluconic acid metal salt under HTS 2918.16.50. The hydrate form retains classification as the organic acid salt per Chapter 29 note on coordination compounds.
Duty Rate — China → United States
41.2%
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)
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China
Import Tips
• Document water content (9-10.5%) confirming dihydrate form stability
• Test for magnesium oxide impurities from incomplete salt formation
• Specify bulk density for tableting applications in declarations