Isophthalic Acid from Mexico
Isophthalic acid (1,3-benzenedicarboxylic acid) is an acyclic polycarboxylic acid manufactured via oxidation of meta-xylene, an aromatic hydrocarbon. Classified in HTS 2917.19.40.00 due to its aromatic derivation and meeting Chapter 29 purity requirements. Key raw material for PET resins and coatings.
Duty Rate — Mexico → United States
16.5%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Import Tips
• Provide bill of lading specifying 'derived from m-xylene' to substantiate aromatic hydrocarbon classification
• Ensure <1% impurities to qualify as 'separate chemically defined compound' per Chapter note (a)