N,N-Diethylethylenediamine from Mexico
N,N-Diethylethylenediamine is a substituted acyclic diamine used in pharmaceutical intermediates and fuel additives. Classified in 2921.19.61 following Chapter 29 numerical order rule for amine-function compounds.
Duty Rate — Mexico → United States
16.5%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• NMR spectrum verification confirms structure for customs amine-function classification
• Refractive index testing distinguishes isomers; wrong isomer risks 2921.30 classification
• Stabilizer disclosure required; some shipments rejected due to undisclosed antioxidants