Methyloxirane (Propylene Oxide) from China
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 — China → United States
16.2%
Rate breakdown
9903.05.3112.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of China, as provided for in U.S. note 52 to this subchapter
Import Tips
• UN1280; tertiary butyl catechol inhibitor mandatory
• Epoxide oxygen equivalent weight certification
• Polyol production end-use common; pure monomer docs