Ricinoleic Acid from Mexico
Ricinoleic acid from castor oil features hydroxy functionality on its 18-carbon chain, classified under 2918.19.90.00. Used in greases, plastics, and cosmetics.
Duty Rate — Mexico → United States
110%
Rate breakdown
9903.04.6096%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
• Require fatty acid profile analysis confirming >90% ricinoleic content
• Distinguish purified acid from crude castor oil fatty acids
• Document industrial vs cosmetic end-use applications