N,N-Diethylethylenediamine from Japan
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 — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, 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