Gallic Acid from Mexico
Gallic acid (3,4,5-trihydroxybenzoic acid) is a chemically defined aromatic monocarboxylic acid covered by additional U.S. note 3 to section VI, classifying under HTS 2916.39.46.00. Essential for ink manufacturing, tanning agents, and antioxidant applications.
Duty Rate — Mexico → United States
16.5%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Specify tannic acid content (<0.5%) to maintain chapter 29 classification
• Hygroscopic; invoice must detail moisture content and storage conditions
• CAS 149-91-7 verification prevents chapter 32 tannin classification