1,4-Dichlorobutane from Canada
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 — Canada → United States
15.1%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
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