tert-Butyl Acetate from Mexico
tert-Butyl acetate, a sterically hindered acetic ester, serves as VOC-exempt solvent in compliant paints. HTS 2915.39.90.00 includes it as 'other' due to its acyclic saturated structure per chapter definitions. Exempt status drives demand in low-emission formulations.
Duty Rate — Mexico → United States
110%
Rate breakdown
9903.04.6096.3%Except as provided in heading 9903.04.61, patented pharmaceutical articles as provided for in subdivisions (c) and (d) of U.S. note 40 to this subchapter
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• EPA exemption letter aids customs; test for peroxide formation stability; declare as non-ozone depleting