Dodecylbenzene Sulfonic Acid (DDBSA) from Mexico
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 — Mexico → United States
13.7%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
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