2,4-Diaminotoluene from Japan

2,4-Diaminotoluene (2,4-TDA) is a di-substituted aniline derivative used primarily as a curing agent in polyurethane production. Classified in HTS 2921.42.65.00 as an aniline derivative subject to the quantitative restrictions of additional U.S. note 3 to section VI.

Duty Rate — Japan → United States

16.5%

Rate breakdown

9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter

Import Tips

Multiple CAS numbers exist (95-80-7 primary); declare all applicable numbers on entry summary

Isomer ratio critical - mixtures with >10% 2,6-isomer may require different classification

TSCA reporting required; pre-register with EPA for chemical substance inventory compliance