HFC-143 Medical Freezer Refrigerant from China
Pharmaceutical-grade 1,1,2-trifluoroethane (HFC-143) for ultra-low temperature medical freezers storing vaccines and biological samples. Meets USP/NF purity standards while classified under HTS 2903.44.10.30 as the base halogenated hydrocarbon. Provides reliable -80°C cooling without ozone depletion risk.
Duty Rate — China → United States
16.2%
Rate breakdown
9903.05.3112.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of China, as provided for in U.S. note 52 to this subchapter
Import Tips
• Include USP certificate and lot analysis for pharmaceutical end-use exemption from certain HFC quotas
• Comply with FDA import alerts for compressed gases; ensure GMP-compliant packaging