Suberic acid bisimide from China
Suberic acid bisimide is a compound with two imide functional groups connected by an octamethylene chain, used as an intermediate in polymer and pharmaceutical synthesis. Its dual imide structure places it under the 'Other' tariff item for imides and their derivatives, as no more specific subheading applies to this type of compound.
Duty Rate — China → Canada
0%
Import Tips
• Confirm the chemical purity and structure with a lab report, as mixtures or derivatives may be classified elsewhere
• If the product is shipped in solution, check whether the solvent is a normal and necessary method of transport; otherwise, classification may change
• Consult the CBSA's Advance Rulings service for binding tariff classification if you are unsure about the product's status