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4-Hydroxybenzoic Acid from China

4-Hydroxybenzoic acid is an aromatic compound used as a preservative precursor in parabens production. Falls under HTS 2918.99.4700 as a carboxylic acid with phenolic oxygen function. Pure form aligns with Chapter 29(a) for chemically defined organics.

Duty Rate — China → United States

19%

Rate breakdown

9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China

Import Tips

CAS 99-96-7 documentation required; test for isomers to confirm single compound status

Bulk chemical entry needs EPA TSCA; pitfall is retail packs shifting to 3824

Specify crystal form in invoice to avoid confusion with esters in other subheadings