Trichlorofluoromethane (CFC-11) from Mexico
Trichlorofluoromethane, also known as CFC-11, is a perhalogenated acyclic hydrocarbon containing only fluorine and chlorine atoms, with the formula CFCl3. It falls under HTS 2903.77.00.80 as a halogenated derivative of acyclic hydrocarbons with two or more different halogens, specifically perhalogenated with F and Cl, and not otherwise specified. Historically used as a refrigerant and foaming agent, its import is now heavily regulated under the Montreal Protocol.
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 and U.S
• EPA regulations on ozone-depleting substances before import
• Require Certificates of Analysis confirming chemical purity and perhalogenation status to avoid misclassification