Pyridinium Perfluorooctane Sulfonate from Japan
Pyridinium perfluorooctane sulfonate uses pyridine as cation with PFOS anion for catalytic uses. Under HTS 2904.35.00.00 as specified other salts of perfluorooctane sulfonic acid in heading 2904.
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
• Heterocyclic cation requires precise NMR confirmation of salt structure
• Check for dual-use export controls due to fluorochemical applications
• Ensure no color/odor additions render specific-use per exclusion note (g)