10-Undecenoic Acid from Germany
10-Undecenoic acid (CH2=CH(CH2)8COOH), also called undecylenic acid, is a terminal alkene unsaturated monocarboxylic acid from pyrolysis of castor oil. HTS 2916.19.50.00 as other unsaturated acyclic acid. Antifungal and polymer applications.
Duty Rate — Germany → United States
15%
Rate breakdown
9903.04.6211.3%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
• Specify pyrolysis origin and distillation specs (CAS 112-38-9)
• Anti-dusting agent declaration if present per Chapter 29 note (g)
• Refractive index 1.447-1.450 confirmation for identity