Diethanolamine Perfluorooctane Sulfonate from Mexico
Organic salt formed between diethanolamine and PFOS, classified with the later-occurring sulfonated acid per Chapter 29 note on salts (C)(2). Falls under HTS 2904.31.00.00 as the PFOS component dominates.
Duty Rate — Mexico → United States
13.7%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Document both organic components for salt classification verification
• Test for ionic dissociation to confirm true salt vs physical mixture
• Include REACH registration numbers for both amine and PFOS components