Cyclohexane-1,4-dicarboxylic acid from Mexico
A symmetrical cyclanic polycarboxylic acid with carboxyl groups at the 1 and 4 positions of the cyclohexane ring. Classified under HTS 2917.20.00.00 as a separate chemically defined cyclanic polycarboxylic acid. Used in polyester resin synthesis and pharmaceutical intermediates.
Duty Rate — Mexico → United States
14.2%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Submit NMR or IR spectroscopy data confirming cyclanic structure vs. aromatic terephthalic acid
• Ensure COA specifies minimum purity (98%+) to qualify as chemically defined compound
• Declare correct UN number (3265) for corrosive solid, organic, n.o.s. classification