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
24%
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
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)
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