3,6-Endoxo-1,2,3,6-tetrahydrophthalic anhydride from United States
3,6-Endoxo-1,2,3,6-tetrahydrophthalic anhydride is a bicyclic cyclenic anhydride with an oxygen-bridged norbornene structure fused to a phthalic anhydride ring. It is a separate chemically defined organic compound that qualifies as a cyclenic polycarboxylic acid derivative under tariff item 2917.20.00. This compound is primarily used as a monomer in high-temperature-resistant polymers and resins.
Duty Rate — United States → Canada
0%
Import Tips
• Ensure the product is clearly identified as a separate chemically defined compound with purity suitable for industrial use
• Provide a safety data sheet (SDS) to the CBSA if required, as anhydrides may be regulated
• Verify if the product requires a permit under the Canadian Environmental Protection Act (CEPA) before importation