2-Hydroxyethyl Methacrylate (HEMA) from Mexico
2-Hydroxyethyl methacrylate (HEMA) is a functional monomer with both acrylate ester and hydroxyl groups, used in hydrogels and contact lenses. It falls under HTS 2916.14.20 as an 'other' methacrylic ester per Chapter 29 ester classification rules prioritizing acid-function heading. The compound remains a separate chemically defined organic compound.
Duty Rate — Mexico → United States
13.7%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Import Tips
• Residual ethylene oxide testing (<10 ppm) required for biocompatibility applications
• Hydroxyl value certification confirms functional group integrity
• Biohazard labeling if medical-grade purity; standard industrial grade simpler