Tetramethylammonium Chloride from Japan
Tetramethylammonium chloride derives from trimethylamine quaternization, used as phase transfer catalyst. While related, classified specifically under HTS 2921.11.00.00 if considered trimethylamine derivative salt; however, typically 292390—note for alternatives.
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
• Confirm if direct trimethylamine salt or quaternary; molecular formula docs critical
• Pitfall: auto-class to 2923.90 without structure review