2,2'-Oxamido bis[ethyl-3-(3,5-di-tert-butyl-4-hydroxyphenyl)propionate] from China
This compound is a sterically hindered phenolic antioxidant amide used as a stabilizer in polymers and plastics to prevent oxidative degradation. Classified under HTS 2924.29.23.00 as a specifically listed aromatic amide derivative, it qualifies as a separate chemically defined organic compound per Chapter 29 scope.
Duty Rate — China → United States
112.5%
Rate breakdown
9903.04.60100%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
9903.05.3112.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of China, as provided for in U.S. note 52 to this subchapter
Import Tips
• Include stabilizer content declaration if added per note (f); use proper UN packaging for transport safety
• Common pitfall: incorrect heading if blended into plastic masterbatch (Chapter 39)