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2903.77.00/2-Chloro-1,1,1,2-tetrafluoroethane (HCFC-124)/Canada

2-Chloro-1,1,1,2-tetrafluoroethane (HCFC-124) from Canada

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 — Canada → United States

13.7%

Rate breakdown

9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
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Import Tips

• Track HCFC phaseout allocations under EPA regulations

• Include azeotrope composition if blended imports

• Validate against Montreal Protocol consumption limits