2902.90.30.10/Normal Dodecylbenzene (n-DDB)/Japan

Normal Dodecylbenzene (n-DDB) from Japan

Normal dodecylbenzene is a straight-chain alkylbenzene (C6H5-C12H25) used exclusively as a feedstock for manufacturing biodegradable detergent surfactants. Classified under HTS 2902.90.30.10 per Chapter 29 notes for pure, separate alkylbenzenes. Excludes sulfonated forms which shift to Chapter 34.

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%

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Import Tips

• Declare exact carbon chain distribution (n-C12 >90%) via chromatograms to distinguish from branched isomers

• Bulk liquid imports require proper UN-approved IBCs/ISO tanks with proper placarding for Combustible Liquid Class III

• EPA PMN notification may be required if impurities exceed TSCA Inventory limits