Perfluoroneopentyl Bromide from Mexico
(CF3)3CBr, branched perhalogenated alkyl bromide. Acyclic hydrocarbon fully substituted with fluorine and bromine, classifiable 2903.78.00.00. Highly volatile fluorinated building block.
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
• Extremely low boiling point (-10°C); requires pressurized or cooled transport
• NMR confirms neopentyl structure vs linear isomers
• Ozone depletion potential assessment may be required