Monochlorotetrafluoroethane (HCFC-124) Refrigerant Gas from Mexico
Pure monochlorotetrafluoroethane (HCFC-124), a hydrochlorofluorocarbon used as a refrigerant in commercial chillers and industrial cooling systems. This chemical is a halogenated derivative of acyclic hydrocarbons containing fluorine and chlorine, specifically classified under HTS 2903.79.90.30 due to its precise molecular structure (C2HClF4). It is supplied in high-pressure cylinders for HVAC applications.
Duty Rate — Mexico → United States
100%
Rate breakdown
9903.04.6096.3%Pharmaceuticals Annex IV: patented pharma articles — 100% floor rate
9903.05.900%Articles already subject to Section 232 (steel/aluminum/copper + derivatives, autos + parts, wood, medium/heavy vehicles + parts, semiconductors, patented pharma) — U.S. note 52(f)
Import Tips
• Obtain EPA allocation for HCFC imports under the Montreal Protocol; include Safety Data Sheets (SDS) and purity certificates; declare as hazardous material (UN1027) with proper DOT placarding