tert-Butyl Acrylate from Mexico
tert-Butyl acrylate is a sterically hindered acrylic ester under HTS 2916.12.50. Used in UV-curable resins and electronics due to hydrolysis resistance. Pure compound classification per Chapter 29.
Duty Rate — Mexico → United States
13.7%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Stabilizer analysis required; typically 100-400 ppm phenothiazine
• Refractive index (1.408) verification prevents substitution fraud