Anhydrous Dimethylformamide Solvent from Mexico
Anhydrous DMF is water-free for moisture-sensitive reactions like Grignard setups in organic synthesis. As pure N,N-dimethylformamide, it qualifies under HTS 2924.19.11.20 for acyclic amides.
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
• Use UN-approved drums with nitrogen blanketing; declare exact water content (<0.005%) on commercial invoice
• Pitfall: bulk vs packaged affecting valuation