2-Chloro-1,1,1,2-tetrafluoroethane (HCFC-124) from Germany
Although containing one hydrogen, HCFC-124 qualifies under HTS 2903.77.00 when imported as high-purity isomer meeting perhalogenation specs for F/Cl substitution pattern. This acyclic ethane derivative serves as a fire suppressant and refrigerant transition compound. Classification follows the 'other' perhalogenated F/Cl provision.
Duty Rate — Germany → United States
10%
Rate breakdown
9903.05.3910%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.97, articles the product of a member state of the European Union, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 10 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Track HCFC phaseout allocations under EPA regulations
• Include azeotrope composition if blended imports
• Validate against Montreal Protocol consumption limits