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1,1,1-Trifluoroethane (HFC-143a) Refrigerant Gas from China

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 — China → United States

16.2%

Rate breakdown

9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China

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