Chlorodifluorobromoethane (CF2BrCHE2) from Mexico
Acyclic ethane with chloro, difluoro, and bromo groups used in plasma etching. HTS 2903.79.90.70 applies to this multi-halogenated hydrocarbon not elsewhere specified.
Duty Rate — Mexico → United States
110%
Rate breakdown
9903.04.6096.3%Except as provided in heading 9903.04.61, patented pharmaceutical articles as provided for in subdivisions (c) and (d) of U.S. note 40 to this subchapter
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
• Semiconductor grade requires <10ppb metal impurities certification
• ITAR/EAR dual-use screening for etching gas applications
• Gas cylinder imports need DOT special permit documentation