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2,4-Diaminotoluene from China

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 — China → United States

26.5%

Rate breakdown

9903.88.157.5%Except as provided in headings 9903.88.39, 9903.88.42, 9903.88.44, 9903.88.47, 9903.88.49, 9903.88.51, 9903.88.53, 9903.88.55, 9903.88.57, 9903.88.65, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(r) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(s)
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China

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