Homophthalic Acid from China
Homophthalic acid is a cyclic aromatic monocarboxylic acid used in organic synthesis and pharmaceutical intermediates. Falls under HTS 2916.39.79.00 as 'other' aromatic acid. Chemically defined structure meets chapter requirements.
Duty Rate — China → United States
14%
Rate breakdown
9903.88.157.5%Except as provided in headings 9903.88.39, 9903.88.42, 9903.88.44, 9903.88.47, 9903.88.49, 9903.88.51, 9903.88.53, 9903.88.55, 9903.88.57, 9903.88.65, 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(r) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(s)
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
• Include NMR/GC purity certificates for research chemical imports
• Declare intended synthesis use to avoid controlled precursor scrutiny
• Ensure no metal salts; coordination compounds classify differently per notes