N,N'-Diacetyl Hexamethylenediamine from United States
N,N'-Diacetyl Hexamethylenediamine is an acetylated derivative of hexamethylenediamine, used as a pharmaceutical intermediate and polymer crosslinker. It is classified under tariff item 2921.22.00 as a derivative of the acyclic polyamine hexamethylenediamine. The product is a chemically defined organic compound, and its classification follows the base polyamine per Chapter 29 notes.
Duty Rate — United States → Canada
0%
Import Tips
• Provide the melting point and chemical structure on the safety data sheet to support classification as a derivative
• Confirm the product is not put up in measured doses or for retail sale, which could shift classification
• Check if the pharmaceutical use requires any additional regulatory approvals