1,2-Epoxy-2-Methylpropane from Japan
1,2-Epoxy-2-methylpropane is a specific butylene oxide isomer featuring the required three-membered epoxide ring, classified under HTS 2910.90.10.00. It functions as a versatile alkylating agent in fine chemical manufacturing.
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
• Label containers with UN 3025 (Butylene oxide) markings and ensure secondary containment for spill prevention
• Confirm no sulfonation or halogenation occurred during synthesis, as modified derivatives stay with parent per chapter notes
• For bulk imports, arrange bonded warehouse storage to manage duty suspension during processing