2935.50.00.00/N-Ethylperfluorooctane Sulfonamide/Mexico

N-Ethylperfluorooctane Sulfonamide from Mexico

N-Ethylperfluorooctane sulfonamide (N-EtPFOSA) is a chemically defined perfluorooctane sulfonamide used primarily as an intermediate in the synthesis of fluorosurfactants. It falls under HTS 2935.50.00.00 as it is specifically listed among other perfluorooctane sulfonamides, which are organo-sulfur compounds with the characteristic sulfonamide group.

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
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Import Tips

• Provide detailed chemical analysis certificates confirming perfluorooctane sulfonamide structure to avoid misclassification under general sulfonamides

• Include safety data sheets (SDS) highlighting PFAS properties due to strict environmental import regulations

• Verify stabilizer content does not exceed chapter note limits to prevent reclassification as formulated mixtures

N-Ethylperfluorooctane Sulfonamide from Mexico — Import Duty Rate | HTS 2935.50.00.00