Sodium Gluconate from Mexico
Sodium gluconate is the sodium salt of gluconic acid, an aromatic carboxylic acid with additional oxygen function as defined in additional U.S. note 3 to section VI. It is chemically defined and falls under HTS 2918.99.4300 due to its classification as a product specified in that note for tariff purposes. Commonly used as a chelating agent in detergents and concrete admixtures.
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
• Verify compliance with additional U.S. note 3 to section VI for exact product inclusion before import
• Provide detailed chemical analysis and CAS number (527-07-1) in documentation to confirm classification
• Avoid misclassification as inorganic salts (Chapter 28) by emphasizing organic carboxylic acid structure