Isobutyramide from Japan
Isobutyramide ((CH3)2CHCONH2) is a branched acyclic amide used in fragrance synthesis. Falls under HTS 2924.19.11 as non-aromatic acyclic amide. Meets purity standards for chapter 29.
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
• Validate branched vs linear isomer via GC-MS; ensure IFRA compliance for fragrance use; avoid stabilizer additions per note (f)