Sodium Ferulate Salt from Mexico
Sodium ferulate, the sodium salt of ferulic acid (hydroxycinnamic acid salt), is explicitly covered under HTS 2918.29.2000 per the heading description. This water-soluble powder is used in traditional medicine and cardiovascular drug formulations.
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
• Provide ionization/assay certificate confirming ≥98% as sodium salt (CAS 24276-84-4), not free acid
• Ensure pH 7-9 declaration for aqueous solutions; test for sodium content via ICP-OES
• Avoid blending with excipients; pure salts only to stay in Chapter 29 per note on salts (C)(1)