Bis(o-tolyl)carbodiimide from United States
Bis(o-tolyl)carbodiimide is a specific aromatic imine-function compound used primarily as a dehydrating agent and coupling reagent in organic synthesis, particularly for peptide bond formation. As a carbodiimide, it contains the imine functional group and is classified under tariff item 2925.19.00. The compound is chemically defined and meets Chapter 29 requirements.
Duty Rate — United States → Canada
0%
Import Tips
• Classify the product as an imine-function compound under heading 2925, not as a carbodiimide under another heading
• Provide a certificate of analysis to confirm chemical identity
• Ensure the product is not mixed with other substances that would affect classification