Perfluorooctane Sulfonamide (PFOSA) from Canada
The parent perfluorooctane sulfonamide (PFOSA) compound used in analytical standards and research. Falls squarely under HTS 2935.50.00.00 as the base structure for all 'other perfluorooctane sulfonamides'.
Duty Rate — Canada → United States
16.5%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Include NMR spectra confirming perfluoroalkyl chain integrity in technical documentation
• Segregate from PFOA shipments due to different regulatory status under TSCA
• Use UN-approved packaging for corrosive liquids (UN 3265)