1,1,2-Trifluoroethane (HFC-143) Research Chemical from Japan
1,1,2-Trifluoroethane (HFC-143), a specific isomer listed in HTS 2903.44.10, supplied in lecture bottles for laboratory synthesis and chemical research applications. Its classification follows chapter 29 rules for chemically defined halogenated acyclic hydrocarbons.
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
• Small quantities for R&D may qualify for simplified EPA reporting but still need end-use statements
• Declare exact isomer (CAS 430-66-0) to avoid confusion with HFC-143a
• Ensure packaging complies with IATA/49 CFR for air shipment of Division 2.2 gases