2,2',6,6'-Tetraisopropyldiphenylcarbodiimide (TIPC) from Germany
2,2',6,6'-Tetraisopropyldiphenylcarbodiimide (TIPC) is a sterically hindered aromatic carbodiimide used as a coupling agent in peptide synthesis and polymer chemistry. Although named as a carbodiimide, it is an imine-function compound under heading 2925, as carbodiimides contain the imine functional group. It is classified under tariff item 2925.19.00 as an imine-function compound not otherwise specified.
Duty Rate — Germany → Canada
0%
Import Tips
• Ensure the product is classified as an imine-function compound, not as a carbodiimide under another heading
• Provide documentation showing the chemical structure and purity
• Verify that the product is not put up in measured doses or for retail sale, which would change classification