2,2'-Oxamido bis[ethyl-3-(3,5-di-tert-butyl-4-hydroxyphenyl)propionate] from Japan
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 — Japan → United States
27.5%
Rate breakdown
9903.04.6215%Patented pharmaceutical articles that are the product of Japan, of a European Union member country, of South Korea, of Switzerland, or of Liechtenstein as provided for in subdivisions (c) and (f) of U.S. note 40 to this subchapter
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
• 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)