trans-2-Butene from Germany
trans-2-Butene, the trans stereoisomer of 2-butene (CH3-CH=CH-CH3), is a separate chemically defined compound under HTS 2901.23.00.00. Commonly used in petrochemical research and isomerization studies.
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
• Provide GC-MS analysis confirming >98% purity to avoid mixture classification
• Label containers with UN 1012 for proper hazmat declaration
• Document end-use as research chemical to prevent industrial mixture assumptions