HCFC-142b Refrigerant Gas from Mexico
Chlorodifluoroethane (HCFC-142b) is a hydrochlorofluorocarbon used primarily as a refrigerant in commercial cooling systems and foam blowing agent. It falls under HTS 2903.74.01.00 as a halogenated derivative of acyclic hydrocarbons containing chlorine and fluorine. This specific chemical compound matches the chapter's definition for separate chemically defined organic compounds with multiple halogens.
Duty Rate — Mexico → United States
13.7%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Verify compliance with Montreal Protocol phase-out schedules and obtain EPA allocations for HCFC imports into the US
• Include Safety Data Sheets (SDS) and purity certificates; common pitfalls include mislabeling as non-ozone depleting
• Ensure DOT hazardous materials shipping documentation for UN 2517 classification