Tripropylamine from Mexico
Tripropylamine ((C3H7)3N), a tertiary acyclic tri-propylamine, falls under HTS 2921.19.11.00. Applied in phase transfer catalysis and extraction processes.
Duty Rate — Mexico → United States
110%
Rate breakdown
9903.04.6096.3%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
• Submit NMR spectra if requested to confirm acyclic structure and propyl chain identity
• Ensure solvent-free certification if aqueous; per note (d), water solutions remain in Chapter 29