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

4-Hydroxybenzoic Acid from Canada

4-Hydroxybenzoic acid is an aromatic monocarboxylic acid used to produce parabens (preservatives). HTS 2916.39.79.00 covers this as 'other' phenolic carboxylic acid derivative. Pure compound qualifies under Chapter 29 definitions.

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

Specify batch purity >99% with COA to maintain Chapter 29 classification

For food contact, provide GRAS status or FDA affirmative listing documentation