Isophthalic Acid (99% purity) from China
Isophthalic acid is a meta-isomer of benzene-1,3-dicarboxylic acid, a chemically defined aromatic polycarboxylic acid used primarily in resin production. It falls under HTS 2917.39.1500 as a separate aromatic polycarboxylic acid, specifically isophthalic acid, meeting Chapter 29 note (a). Typically supplied as white crystalline powder for industrial synthesis.
Duty Rate — China → United States
41.5%
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
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)
Import Tips
• Verify purity certificate (min 99%) as required for chemical classification under Chapter 29 note (a)
• Include Safety Data Sheet (SDS) and REACH compliance docs for EU-origin material
• Avoid misclassification as terephthalic acid (2917.36) - confirm meta-isomer via HPLC analysis