Methyl Chloride Refrigerant Grade R-40 from Mexico
Methyl chloride designated as refrigerant R-40, used in low-temperature industrial refrigeration systems. Falls under HTS 2903.11.00 as pure chloromethane, a halogenated acyclic hydrocarbon derivative. Packaged in high-pressure steel cylinders.
Duty Rate — Mexico → United States
15.5%
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
• Comply with Montreal Protocol documentation even though not an ozone-depleting substance under current schedules
• Include technical data sheets proving refrigerant purity to maintain 2903 classification
• Check state-specific VOC regulations that may affect import permits