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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

12.5%

Rate breakdown

9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%

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