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Dodecylbenzene Sulfonic Acid (DDBSA) from Japan

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 — Japan → United States

12.5%

Rate breakdown

9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%

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