Perfluorooctane Sulfonate Quaternary Salt PFOS-TEA from Japan
High-purity tetraethylammonium perfluorooctane sulfonate (PFOS-TEA) used in electroplating baths and as a fluorosurfactant intermediate. This chemically defined compound is specifically enumerated under HTS 2923.30.00.00 within the quaternary ammonium salts heading.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
Import Tips
• Obtain EPA pre-manufacture notice approval if considered a new PFAS chemical under TSCA
• Provide detailed end-use statement to avoid anti-dumping scrutiny on fluorochemicals
• Ensure packaging prevents moisture absorption which could affect chemical purity classification