1,4-Dichlorobutane from Mexico
1,4-Dichlorobutane features chlorine atoms on the terminal carbons of a butane chain, making it a classic example of dichlorobutanes covered by HTS 2903.19.05.00 for saturated chlorinated acyclic hydrocarbon derivatives. This compound serves as a key intermediate in polymer chemistry and pharmaceutical synthesis. Its classification adheres to Chapter 29 notes for chemically defined halogenated organic compounds.
Duty Rate — Mexico → United States
15.1%
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
• Label containers with specific isomer designation to prevent misclassification under generic dichlorobutane provisions
• Comply with TSCA pre-manufacture notification if used in new chemical processes
• Monitor for anti-dumping duties from specific origins; maintain origin certificates