Isophthalic Acid (99% purity) from Canada
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 — Canada → United States
16.5%
Rate breakdown
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
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