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4-Hydroxybenzoic Acid from Canada

4-Hydroxybenzoic acid features a carboxylic acid and phenolic hydroxyl group on a benzene ring, classified as aromatic carboxylic acid with alcohol function. HTS 2918.19.31.00 covers this 'other' category for compounds without further oxygen functions. Widely used as a preservative precursor in cosmetics and food.

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

Include NMR spectrum in import docs to prove aromatic structure and position of -OH; ensure no esterification per note 5(A)

Pitfall: esters classified with acid occurring last in numerical order