n-Butyl Methacrylate (High Purity Grade) from Japan
Ultra-high purity n-butyl methacrylate (>99.9%) used in optical resins and medical device coatings, distinguished from standard grades. Even though butyl esters have specific subheadings, this specialty grade falls under HTS 2916.14.20.50 'other' due to statistical reporting distinctions. Minimal impurities ensure clarity in final polymerized products.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• HPLC chromatogram required showing single peak >99.9%; USP Class VI certification for medical use; amber glass containers mandatory for light sensitivity