10-Undecenoic Acid from Japan
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 — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
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