</>Build with Tariff Intelligence|Programmatic access to tariff calculations and HS code classification.Explore Developer Resources →

HFC-143 Medical Freezer Refrigerant from Japan

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 — 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

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