Isobutyl 3-Phenylpropanoate from Mexico
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 — Mexico → United States
15.5%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
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