10-Undecenoic Acid from Mexico
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 — Mexico → United States
110%
Rate breakdown
9903.04.6096.3%Except as provided in heading 9903.04.61, patented pharmaceutical articles as provided for in subdivisions (c) and (d) of U.S. note 40 to this subchapter
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
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