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

Gallic Acid (3,4,5-Trihydroxybenzoic Acid) from Canada

Gallic acid is a trihydroxybenzoic acid polyphenol used in inks, pharmaceuticals, and as antioxidant. Classified under HTS 2907.29.90.00 as polyphenol though technically carboxylic acid; phenolic functions dominate classification. Occurs naturally in plants, commercially synthesized.

Duty Rate — Canada → United States

15.5%

Rate breakdown

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

Import Tips

Distinguish anhydrous vs hydrate forms in technical specifications

Include heavy metals analysis for pharmaceutical applications

Document tannic acid derivation if applicable