Calcium Ascorbate from Mexico
Calcium salt of ascorbic acid featuring the characteristic aromatic lactone ring. Classified under HTS 2932.20.3000 per additional U.S. note 3 for section VI products. Used in supplements and as dough conditioner.
Duty Rate — Mexico → United States
110%
Rate breakdown
9903.04.6093.5%Except as provided in heading 9903.04.61, patented pharmaceutical articles as provided for in subdivisions (c) and (d) of U.S. note 40 to this subchapter
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Submit coordination compound analysis per chapter note C(3) classification rules,Provide calcium content verification (typically 8-10%) with organic structure primacy,Avoid bulk food ingredient packaging triggering Chapter 19 classification