TDI-100 (2,4-TDI Pure Grade) from China
TDI-100 refers to 100% 2,4-toluenediisocyanate without 2,6-isomer contamination, used in high-performance coatings and adhesives. This unmixed form qualifies for HTS 2929.10.10.00 under isocyanates, as a chemically defined compound with the -NCO nitrogen function per Chapter 29 scope.
Duty Rate — China → United States
44%
Rate breakdown
9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 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(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China
Import Tips
• Include GC-MS analysis certificate proving >99% 2,4-isomer purity; ensure spill containment kits accompany shipment; register with EPA for chemical inventory