1,4-Dibromobutane from Mexico
1,4-Dibromobutane (Br(CH2)4Br) is a dibromoalkane used to synthesize crown ethers and polymers. Falls under HTS 2903.69.10.00 as alkyl dibromide, brominated acyclic hydrocarbon. Chemically defined status per Chapter 29 confirmed.
Duty Rate — Mexico → United States
10%
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
• Cyclization risk during storage - low temperature shipping; HPLC purity >98%; symmetrical structure simplifies analysis