Normal Dodecylbenzene (n-DDB) from Germany
Normal dodecylbenzene is a straight-chain alkylbenzene (C6H5-C12H25) used exclusively as a feedstock for manufacturing biodegradable detergent surfactants. Classified under HTS 2902.90.30.10 per Chapter 29 notes for pure, separate alkylbenzenes. Excludes sulfonated forms which shift to Chapter 34.
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
• Declare exact carbon chain distribution (n-C12 >90%) via chromatograms to distinguish from branched isomers
• Bulk liquid imports require proper UN-approved IBCs/ISO tanks with proper placarding for Combustible Liquid Class III
• EPA PMN notification may be required if impurities exceed TSCA Inventory limits