Magnesium Gluconate Hydrate Powder from Mexico
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 — Mexico → United States
13.7%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
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