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4-Dimethylaminopyridine (DMAP) from Japan

4-Dimethylaminopyridine (DMAP) is a pyridine catalyst with an unfused ring, widely used in organic synthesis for acyl transfer reactions. HTS 2933.39.61 applies via additional U.S. note 3 to section VI for listed pyridine derivatives. Essential lab reagent for peptide manufacturing.

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 peer-reviewed references confirming catalytic use to avoid reagent misclassification

Small package quantities (<1kg) may qualify for de minimis entry; aggregate carefully

Include GHS labels meeting OSHA HazCom standards on all containers

4-Dimethylaminopyridine (DMAP) from Japan — Import Duty Rate | HTS 2933.39.61