3-Trifluoromethyl-1H-pyrazole from Mexico
3-Trifluoromethyl-1H-pyrazole features trifluoromethyl substitution on unfused pyrazole ring, HTS 2933.19.90.00 classification. Key intermediate in fluorinated pharmaceutical and crop protection agent synthesis.
Duty Rate — Mexico → United States
16.5%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Fluorinated compounds require enhanced ventilation specifications in SDS
• High volatility - specify vapor pressure and recommend pressure-relief packaging
• Verify CF3 group integrity via 19F-NMR for customs chemical verification