N,N'-Diacetyl Hexamethylenediamine from Canada
Acetylated derivative of hexamethylenediamine used as pharmaceutical intermediate and polymer crosslinker. Classifies under HTS 2921.22.5000 as derivative of the base polyamine. Melting point 80-85°C.
Duty Rate — Canada → United States
16.5%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Import Tips
• Declare acetyl group content and provide acetyl number test results
• Store/transport below 40°C to maintain stability; document temperature control
• Differentiate from finished APIs to avoid pharmaceutical Chapter 30