Methyloxirane (Propylene Oxide) from Mexico
Propylene oxide is three-membered epoxide with methyl substitution and oxygen hetero-atom, epoxidation agent. Classified 2932.99.90 despite general epoxide exclusion due to substitution. Industrial chemical staple.
Duty Rate — Mexico → United States
3.7%
Rate breakdown
9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter
Import Tips
• UN1280; tertiary butyl catechol inhibitor mandatory
• Epoxide oxygen equivalent weight certification
• Polyol production end-use common; pure monomer docs