Magnesium Gluconate Hydrate Powder from Canada
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 — Canada → United States
13.7%
Rate breakdown
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
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