Propylene Oxide Polymerization Inhibited from United States
Propylene Oxide Polymerization Inhibited contains methyloxirane with 50 ppm hydroquinone monomethyl ether inhibitor to prevent exothermic polymerization during storage and transport. The inhibitor is a stabilizer necessary for preservation or transport, as permitted by Chapter note 1(f), and the product remains classified under tariff item 2910.20.00.
Duty Rate — United States → Canada
0%
Import Tips
• Confirm the inhibitor concentration (50 ppm) and its purpose as a stabilizer to CBSA, as permitted by Chapter note 1(f)
• Provide the inhibitor's chemical name (hydroquinone monomethyl ether) on the safety data sheet
• Ensure the product is labeled as 'stabilized propylene oxide' to avoid confusion with unstabilized grades