HFC-134 Refrigerant (1,1,2,2-Tetrafluoroethane) from Mexico
1,1,2,2-Tetrafluoroethane (HFC-134) used as a specialty refrigerant and aerosol propellant, classified as a pure halogenated derivative of acyclic hydrocarbons under HTS 2903.45.10.00.
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
• Include detailed chemical analysis certificates verifying isomer purity and absence of HFC-134a contamination
• Comply with TSCA (Toxic Substances Control Act) import certification requirements
• Label shipments clearly as UN 3159 '1,1,2,2-TETRAFLUOROETHANE' for proper hazmat handling