Ricinenic Acid from Canada
Ricinenic acid is an acetylated derivative of ricinoleic acid, functioning as an unsaturated acyclic monocarboxylic acid. HTS 2916.19.30.00 applies as it retains the unsaturated acyclic structure per Chapter notes. Used in chemical synthesis.
Duty Rate — Canada → United States
110%
Rate breakdown
9903.04.6093.9%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
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
Import Tips
• Acetylation status documentation to confirm acid vs ester
• Castor oil origin certificates may trigger additional scrutiny
• Purity >92% required for Chapter 29 classification