N-Phenylmaleimide from Japan
N-Phenylmaleimide is an aromatic imine-function compound used primarily as a reactive monomer in polymer synthesis and pharmaceutical intermediates. It falls under HTS 2925.29.60.00 as an aromatic imine derivative, other than specified products, meeting Chapter 29 requirements for chemically defined organic compounds with imine functionality.
Duty Rate — Japan → United States
21%
Rate breakdown
9903.04.628.5%Patented pharmaceutical articles that are the product of Japan, of a European Union member country, of South Korea, of Switzerland, or of Liechtenstein as provided for in subdivisions (c) and (f) of U.S. note 40 to this subchapter
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
• Provide detailed chemical analysis certificates confirming imine-function and aromatic structure to avoid misclassification
• Ensure SDS and purity documentation meets EPA and TSCA import requirements for chemical substances
• Verify packaging complies with DOT hazardous material regulations for reactive organic compounds