2-Bromo-1-chlorobutane from Mexico
2-Bromo-1-chlorobutane features bromine at the 2-position and chlorine at the 1-position on a butane chain, making it a dihalogenated acyclic hydrocarbon. It qualifies for HTS 2903.69.90.00 as an 'other' brominated derivative not matching specific isomers. Primarily serves as a synthetic 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
• Label with exact isomeric purity to prevent classification as isomer mixtures excluded by Chapter Note b
• Declare flash point and vapor pressure for DOT hazmat compliance during import
• Use tamper-evident chemical drums to satisfy 'separate chemically defined compound' criteria