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2925.29.90.00/N-Phenylmaleimide/Mexico

N-Phenylmaleimide from Mexico

N-Phenylmaleimide is a cyclic imide with carboxyimide-function, but classified here under imine derivatives per Chapter Note 3 (last in numerical order) in HTS 2925.29.90.00. Key Diels-Alder dienophile.

Duty Rate — Mexico → United States

13.7%

Rate breakdown

9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
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Import Tips

• Submit X-ray crystal structure confirming planar imide ring system

• Declare melting point (88-92°C) and purity by HPLC (>99%)

• Include polymerization inhibitor (hydroquinone) concentration

N-Phenylmaleimide from Mexico — Import Duty Rate | HTS 2925.29.90.00