Stabilized Triethylenetetramine for Export from Mexico
TETA with added stabilizer per Chapter Note 2(f), maintaining classification under HTS 2921.29.0020. Stabilizer prevents oxidation during long-distance marine transport.
Duty Rate — Mexico → United States
110%
Rate breakdown
9903.04.6093.5%Except as provided in heading 9903.04.61, patented pharmaceutical articles as provided for in subdivisions (c) and (d) of U.S. note 40 to this subchapter
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
• Document stabilizer type and concentration (<0.5%) to qualify under Chapter Note 2(f)
• Include stability test data showing 12+ months shelf life
• Use IBC totes with secondary containment for spill protection