Gallic Acid from Mexico
Gallic acid, or 3,4,5-trihydroxybenzoic acid, is used in inks, pharmaceuticals, and as an antioxidant. Classified in HTS 2918.99.4700 for its aromatic carboxylic structure with multiple phenolic oxygen functions. Qualifies under Chapter 29 as a separate defined compound.
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
• HPLC purity analysis (>98%) mandatory; impurities can trigger mixture classification
• Declare tannin-derived vs synthetic origin to avoid Chapter 32 vegetable exclusions
• Safety data for handling required; common error is oversize packaging suggesting retail