1,2,4,5-Tetramethylbenzene (Durene) from Japan
Durene is a tetraalkylbenzene used in plasticizer and high-temperature solvent applications. Precisely matches HTS 2902.90.30 polyalkylbenzene definition. High methyl substitution enables specialized thermal properties.
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
• Melting point 79°C requires heated transport above solidification temperature
• CAS 95-93-2 confirmation prevents confusion with prehnitene isomer
• Sublimation risk demands sealed containers with vapor pressure relief