Dodecylbenzene Sulfonic Acid (DDBSA) from Canada
Acid form of LAS surfactant widely used in household and industrial cleaners. Anionic active agent per Chapter definition. 3402.39.90 classification for bulk industrial shipments.
Duty Rate — Canada → United States
13.7%
Rate breakdown
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
Import Tips
• Neutralization converts to salt form; document pH to confirm acid classification
• Requires corrosive material shipping papers and secondary containment
• Industrial purity >96% distinguishes from formulated washing preparations