Perfluorooctanoic Acid (PFOA) from Mexico
PFOA is a fully fluorinated carboxylic acid, a perhalogenated derivative of an acyclic hydrocarbon with all hydrogens replaced by fluorine atoms. It falls under HTS 2903.78.00.00 as an acyclic perhalogenated compound containing two or more different halogens (fluorine and implied structure). Commonly used in industrial applications but now heavily regulated due to environmental concerns.
Duty Rate — Mexico → United States
100%
Rate breakdown
9903.04.6096.3%Pharmaceuticals Annex IV: patented pharma articles — 100% floor rate
9903.05.900%Articles already subject to Section 232 (steel/aluminum/copper + derivatives, autos + parts, wood, medium/heavy vehicles + parts, semiconductors, patented pharma) — U.S. note 52(f)
Import Tips
• Verify REACH and TSCA compliance; PFOA is restricted in many jurisdictions requiring special permits
• Include detailed chemical purity certificates and safety data sheets (SDS) in documentation
• Avoid misclassification as a mixture; pure PFOA must be declared separately from formulated products