5-Nitroisophthalic Acid from China
5-Nitroisophthalic acid is a nitrated derivative of isophthalic acid (1,3-benzenedicarboxylic acid, heading 2917), with nitro substitution on the aromatic ring. Falls under HTS 2913.00.40.00 for other nitrated aromatic acid derivatives. Used in polyester resin and dye production.
Duty Rate — China → United States
43%
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)
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China
Import Tips
• Specify dicarboxylic acid functionality in technical data sheet
• Test for isophthalic vs terephthalic isomer contamination
• Declare melting point range to confirm chemical identity