Undecylenic Acid from Canada
Undecylenic acid is a mono-unsaturated acyclic monocarboxylic acid with 11 carbons and terminal double bond, used in antifungal treatments. Classified in HTS 2916.19.30.00 as 'other' unsaturated acyclic monocarboxylic acids. Derived from castor oil pyrolysis.
Duty Rate — Canada → United States
16.1%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• EPA/TSCA notification if antimicrobial claim; provide synthesis method documentation
• Verify no conjugation of double bonds to avoid essential oil classification