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1,4-Dichlorobutane from Japan

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 — Japan → United States

12.5%

Rate breakdown

9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, 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