Undecylenic Acid from Germany
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 — Germany → United States
15%
Rate breakdown
9903.04.628.9%Pharmaceuticals: patented pharma from JP/EU/KR/CH/LI — 15% floor rate
9903.05.900%Articles already subject to Section 232 (steel/aluminum/copper + derivatives, autos + parts, wood, medium/heavy vehicles + parts, semiconductors, patented pharma) — U.S. note 52(f)
Import Tips
• EPA/TSCA notification if antimicrobial claim; provide synthesis method documentation
• Verify no conjugation of double bonds to avoid essential oil classification