Lithium Perfluorooctane Sulfonate Powder from Mexico
Pure lithium perfluorooctane sulfonate (Li-PFOS) in powdered form, a fluorinated surfactant used in industrial applications. Classified under HTS 2904.33.00.00 as a sulfonated, halogenated derivative of hydrocarbons, specifically the lithium salt of perfluorooctane sulfonic acid. Meets chapter 29 requirements for separate chemically defined organic compounds.
Duty Rate — Mexico → United States
13.7%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Import Tips
• Verify REACH and TSCA compliance due to PFOS environmental restrictions; obtain EPA pre-manufacture notice if needed
• Provide detailed chemical purity certificates and CAS number (29457-72-5) for customs verification
• Avoid misclassification as mixtures; ensure product is chemically defined per Chapter 29 note (a)