N,N'-Diacetyl Hexamethylenediamine from Mexico
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 — Mexico → United States
16.5%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
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