Hydrocinnamic Acid Methyl Ester from Mexico
Methyl 3-phenylpropanoate, aka hydrocinnamic acid methyl ester, is an aromatic propionic acid ester used in synthetic rose and honey fragrances. Classified under HTS 2915.50.20.00 as 'aromatic' per the propionic acid subheading and Chapter 29 priority rules. Its phenyl substitution qualifies it as aromatic within this specific code.
Duty Rate — Mexico → United States
15.5%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Import Tips
• Label with exact IUPAC name and structure diagram; customs often challenges aromatic vs aliphatic distinction
• Ship with stabilizer disclosure; anti-dusting agents allowed only if not rendering specific-use per note (g)
• Avoid bulk packaging mimicking mixtures—separate pure compound to prevent 3824 shift