Dodecylbenzene Sulfonic Acid (DDBSA) from Japan
DDBSA is a modified aromatic sulfonic acid serving as a key ingredient in liquid laundry detergents and industrial cleaners. Its anionic properties enable effective emulsification and dirt removal per heading 3402 definitions. Falls under 3402.31.10.00 as an aromatic linear alkylbenzene sulfonic acid or salt.
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
• Provide surface tension test results (below 45 dyne/cm) to substantiate classification under heading 3402
• Declare exact alkyl chain length to distinguish from other anionic agents and avoid reclassification
• Comply with TSCA pre-manufacture notices for new chemical introductions in the US