Perfluorooctane Sulfonamide (PFOSA) from Mexico
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 — Mexico → United States
6.5%
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 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)