Isopropyl Methacrylate from Canada
Isopropyl methacrylate is a branched-chain ester of methacrylic acid used in specialty resins and contact lens materials. Falls under 'other' methacrylic esters in HTS 2916.14.20.50 due to its acyclic unsaturated structure. Provides lower viscosity than n-propyl analog for formulation flexibility.
Duty Rate — Canada → 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
• Refractive index testing (1.4370-1.4390) confirms identity; MEHQ inhibitor mandatory at 250 ppm; temperature-controlled shipping below 25°C required