Linoleic Acid from Mexico
Linoleic acid (cis-9,cis-12-octadecadienoic acid) is a polyunsaturated omega-6 acyclic monocarboxylic fatty acid essential for nutrition. HTS 2916.19.50.00 classification as other unsaturated acyclic acid despite two double bonds. Used in cosmetics and supplements.
Duty Rate — Mexico → United States
110%
Rate breakdown
9903.04.6096.3%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
• NMR confirmation of cis-9,12 double bond positions (CAS 60-33-3)
• Purity >98% required; mixtures with linolenic acid may shift classification
• Include peroxide value <5 meq/kg for oxidative stability