Fluorosurfactant Intermediate TEAPFOS from Germany
Tetraethylammonium perfluorooctane sulfonate serving as a key intermediate for synthesizing advanced fluorosurfactants in electronics manufacturing. Falls squarely under HTS 2923.30.00.00 as the precisely named quaternary ammonium salt.
Duty Rate — Germany → United States
10%
Rate breakdown
9903.05.3910%Section 301 (forced labor) — European Union member state (col1 rate < 10 percent): MFN < 10% → total duty capped at 10%
Import Tips
• Include REACH registration numbers for EU-origin material if transshipping through US
• Monitor Stockholm Convention restrictions on PFOS compounds despite specific HTS allowance
• Validate 99%+ purity via HPLC to prevent reclassification as impure mixture