Dodecylbenzene Sulfonic Acid (DDBSA) from Canada
DDBSA is a key aromatic surfactant used in liquid detergents and emulsifiers, featuring a modified benzene ring structure. It qualifies under heading 3402 per the surface tension reduction test in Chapter notes. The aromatic content places it specifically in 3402.90.30.00.
Duty Rate — Canada → United States
14%
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
• Provide CAS number (27176-87-0) and technical data sheets for accurate HTS verification
• Check for hazardous material shipping requirements under DOT regulations
• Label containers with GHS pictograms to avoid customs delays