DL-Malic Acid from Mexico
DL-Malic acid is a racemic mixture of L- and D-malic acid, a dicarboxylic acid with alcohol function (HOOC-CH(OH)-CH2-COOH). It falls under HTS 2918.19.60.00 as malic acid, a carboxylic acid with alcohol function but without other oxygen functions, chemically defined per Chapter 29 note (a).
Duty Rate — Mexico → United States
110%
Rate breakdown
9903.04.6096%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 purity certificate showing it's chemically defined malic acid, not a mixture or derivative to avoid reclassification
• Provide documentation confirming food-grade or technical grade status; FDA prior notice required for food use
• Check for stabilizers - per Chapter 29 note (f), added stabilizers are allowed if necessary for preservation/transport