10-Undecenoic Acid from China
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 — China → United States
41.2%
Rate breakdown
9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China
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