Triphenylmethanol (Trityl Alcohol) from Mexico
Triphenylmethanol (C19H16O) serves as a protecting group in organic synthesis and pharmaceutical intermediates. Classified as other aromatic cyclic alcohol under HTS 2906.29.60.00. Chemically defined organic compound per chapter notes.
Duty Rate — Mexico → United States
110%
Rate breakdown
9903.04.6094.5%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
• Molecular weight (260.33) and mp (162°C) specs prevent mix-up with triphenylmethane
• Lab chemical use declaration avoids bulk chemical classification
• Small package exemption may apply for R&D quantities <5kg