Butylene Oxide (1,2-Epoxybutane) from Mexico

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 — Mexico → United States

14.6%

Rate breakdown

9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 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