Maleimide from Canada
Maleimide is an α,β-unsaturated aromatic imide used in polymer chemistry and pharmaceutical conjugation reactions. Falls under HTS 2925.19.42.00 as aromatic imide 'other'. Unsaturated imide function clearly within heading 2925 scope.
Duty Rate — Canada → United States
6.5%
Rate breakdown
9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter
Import Tips
• Polymerization inhibitor content declaration required; provide double bond reactivity data; avoid moisture exposure documentation