Isobutyl 3-Phenylpropanoate from Japan
Isobutyl ester of 3-phenylpropanoic acid, used in specialty flavors mimicking tropical fruits. Falls under HTS 2915.50.20.00 as aromatic propionic ester, confirmed by chemical definition in Chapter notes (a). The aromatic substitution distinguishes it from plain propionates.
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
• GC purity certificate mandatory for >90% aromatic content
• Declare as chemical intermediate, not finished flavor to maintain classification
• Watch ester hydrolysis stability in humid shipping