Aldol Cyclic Dimer Intermediate from Germany
Cyclic dimer formed from aldol condensation of acetaldehyde, used in flavor/fragrance synthesis. Classifies under HTS 2912.50.5000 as other cyclic aldehyde polymers. Chemically defined organic compound per Chapter 29.
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
• GC-MS analysis required showing cyclic dimer >95% with minimal linear aldol byproducts
• Declare as 'chemical intermediate – not for direct food use' to support Chapter 29 classification
• Provide CAS registry number (107-87-9 related) and molecular formula confirmation