</>Build with Tariff Intelligence|Programmatic access to tariff calculations and HS code classification.Explore Developer Resources →

Trans-Cinnamic Acid from Canada

Trans-cinnamic acid (C9H8O2) is the most common stereoisomer of cinnamic acid, an unsaturated aromatic monocarboxylic acid with a phenyl group attached to the acrylic acid moiety. It falls under HTS 2916.39.06.00 as a specific aromatic monocarboxylic acid derivative. Used primarily in organic synthesis and as a precursor for pharmaceuticals and fragrances.

Duty Rate — Canada → United States

16.5%

Rate breakdown

9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada

Import Tips

Provide Certificate of Analysis confirming 99%+ purity and trans-isomer specification to avoid misclassification as technical grade

Include Safety Data Sheet (SDS) documenting proper UN shipping name 'Cinnamic acid' for DOT compliance

Verify supplier's REACH compliance documentation for EU-origin material to facilitate customs clearance