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Maleimide from Germany

Maleimide is an unsaturated five-membered cyclic imide with a reactive double bond, used in polymer chemistry and bioconjugation. Classified in HTS 2925.19.91.00 as a derivative imide; the imide function determines classification over unsaturation.

Duty Rate — Germany → United States

10%

Rate breakdown

9903.05.3910%Section 301 (forced labor) — European Union member state (col1 rate < 10 percent): MFN < 10% → total duty capped at 10%

Import Tips

Polymer-grade vs monomer-grade requires spec sheet; >95% purity stays in 2925

Light-sensitive; specify opaque packaging on invoice to prevent degradation claims

Common misclassification as acrylic derivative; emphasize imide ring in documentation