1,1,1-Trifluoroethane (HFC-143a) Refrigerant Gas from Japan
Pure 1,1,1-trifluoroethane (HFC-143a) is a saturated fluorinated acyclic hydrocarbon used primarily as a refrigerant gas in commercial refrigeration systems. This chemical compound falls under HTS 2903.44.1020 as it is specifically named in the subheading for pentafluoroethane (HFC-125), 1,1,1-trifluoroethane (HFC-143a), and 1,1,2-trifluoroethane (HFC-143).
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Obtain EPA SNAP approval and ensure compliance with the American Innovation and Manufacturing (AIM) Act quotas for HFC imports
• Provide Safety Data Sheets (SDS) and confirm purity certificate (>99.9%) as required for refrigerant-grade chemicals
• Avoid misclassification as mixtures; pure HFC-143a must meet chapter 29 chemical definition without functional additives