Butylene Oxide (1,2-Epoxybutane) from Japan
Butylene oxide is a three-membered ring epoxide compound (1,2-epoxybutane) classified under HTS 2910.90.10.00 as it fits the chapter definition for separate chemically defined organic epoxides with a three-membered ring. It is primarily used as a reactive intermediate in organic synthesis for producing glycol ethers and surfactants.
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
• Provide detailed chemical purity analysis and Safety Data Sheets (SDS) as epoxides are hazardous materials requiring UN-approved packaging
• Ensure classification as pure butylene oxide; mixtures exceeding 50% may fall under heading 3824 as chemical preparations
• Comply with TSCA registration for chemical imports and DOT hazardous material declarations to avoid customs delays