Dodecylbenzene Sulfonic Acid (DDBSA) from Japan
DDBSA is a modified aromatic sulfonic acid surfactant used primarily in household and industrial cleaners, classified under HTS 3402.49.10.00 due to its aromatic benzene ring structure. It provides superior emulsification and detergency in formulations.
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
• Classify based on predominant aromatic structure; blends may require weighted analysis
• Include technical data sheets confirming surface tension reduction per Chapter note
• Avoid bulk packaging confusion with retail preparations in 3402.20