N-Phenylmaleimide from Japan
N-Phenylmaleimide is an N-substituted derivative of maleimide with a phenyl group on nitrogen, used in high-performance polymer synthesis. HTS 2925.19.91.00 covers this substituted imide as 'other' derivatives; aryl substitution doesn't change heading.
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
• Melting point 88-92°C; include thermal stability data for air shipment approval
• Not DEA listed but monitor for controlled substance precursor potential
• Specify 'not for human consumption' to avoid FDA food/drug scrutiny