N-Ethylethylenediamine from Japan
N-Ethylethylenediamine (C2H5NHCH2CH2NH2) is an acyclic diamine derivative used in epoxy curing agents and pharmaceuticals. Though technically a diamine, classified as monoamine derivative under 2921.19.61 per numerical order rule in Chapter 29 notes.
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
• Classify based on principal amine function; provide structural formula confirming acyclic chain
• Distinguish from ethylenediamine (2921.29) via substitution analysis certificate
• Monitor vapor pressure for DOT shipping; common error is inadequate ventilation requirements