L-Lysine Base from Mexico
L-Lysine base essential amino acid for swine/poultry feed, preventing deficiency diseases. HTS 2922.49.49 for pure free base form (most imported as sulfate salt). 98.5% min purity specification.
Duty Rate — Mexico → United States
14.2%
Rate breakdown
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
• Anti-dumping duties apply to Chinese origin; verify third-country processing certificates
• Free base rare vs sulfate; declare crystal form and water content accurately
• AAFCO feed ingredient definition compliance required