Perfluoropentanoic Acid (PFPeA) from Mexico
PFPeA (C4F9COOH) represents medium-chain perfluorinated carboxylic acids, fully halogenated acyclic derivatives. Falls under 2903.78.00.00 per chapter notes for halogenated hydrocarbons with multiple halogens. Intermediate in fluoropolymer production.
Duty Rate — Mexico → United States
3.7%
Rate breakdown
9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter
Import Tips
• Include chain length specification in commercial invoice to distinguish from other PFCAs
• Comply with Stockholm Convention reporting if applicable to persistent organic pollutants
• Use fluoropolymer-compatible packaging to prevent container degradation