Sodium Dodecylbenzene Sulfonate (SDDBS) from United States
Sodium Dodecylbenzene Sulfonate (SDDBS) is the neutralized salt form of dodecylbenzene sulfonic acid, an aromatic anionic surfactant. It falls under tariff item 3402.49.00 as an organic surface-active agent, provided it is not a separate chemically defined compound. SDDBS is used in emulsifiers, wetting agents, and textile processing auxiliaries, and is typically supplied as a technical-grade mixture.
Duty Rate — United States → Canada
6.5%
Import Tips
• Verify that the SDDBS is not a pure separate chemically defined compound; technical grades are classifiable here
• Provide a certificate of analysis showing surface tension reduction
• Check if the product is put up for retail sale, which may affect classification