1,4-Dichloro-2-butene from Germany
1,4-Dichloro-2-butene is a bifunctional unsaturated chlorinated compound used in pharmaceutical synthesis. Chemically defined under HTS 2903.29.00.00 with characteristic C=C and allylic chlorides. Intermediate for contrast agents and antivirals.
Duty Rate — Germany → United States
10%
Rate breakdown
9903.05.3910%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.97, articles the product of a member state of the European Union, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 10 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Specify cis/trans isomer ratio in commercial invoice for accurate statistical reporting
• Extremely toxic lachrymator; requires UN 2920 Corrosive/Acute Toxicity labeling
• Confirm no sulfonation that would shift to specific functional heading