Morpholine from Canada
Morpholine is a six-membered heterocyclic compound with one oxygen and one nitrogen hetero-atom, but classified under oxygen-only heterocycles per HTS hierarchy 2932.99.70.00 when oxygen function predominates. Used in rubber vulcanization and corrosion inhibition.
Duty Rate — Canada → United States
16.5%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Specify if imported with anti-dusting agents per chapter note (g)
• Rubber industry end-users may require additional TSCA declarations
• Verify classification doesn't fall under nitrogen heterocycles (2933) based on principal function