Purified 2,4-TDI (Xylene Diisocyanate Isomer) from Japan
Purified 2,4-xylene diisocyanate (often synonymous with TDI in trade), a specific isomer listed under HTS 2929.10.20.00 for its diisocyanate structure. Essential for rigid polyurethane foams in insulation panels. Qualifies as separate organic compound under Chapter 29 notes (a).
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Use refrigerated containers to prevent solidification; declare exact CAS 584-84-9
• Common issue: Reclassification if moisture content >0.1% forms dimers