4-Hydroxybenzoic Acid from Mexico
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 — Mexico → United States
16.5%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
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