4-Hydroxybenzoic Acid from China
Para-hydroxybenzoic acid (PHB) is a phenolic carboxylic acid used as preservative intermediate and polymer monomer. HTS 2918.29.65.00 applies per additional U.S. note 3 to section VI for listed phenolic acids. Pure compound imported for chemical synthesis.
Duty Rate — China → United States
31.5%
Rate breakdown
9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter
Import Tips
• Provide NMR or HPLC chromatograms confirming structure and isomeric purity per chapter note (b)
• Document end-use to distinguish polymer intermediate from food preservative use