Dimethylformamide (DMF) 99.9% Pure from Canada
Dimethylformamide (DMF), chemically N,N-dimethylformamide (CAS 68-12-2), is a colorless liquid amide used as a versatile aprotic solvent in chemical reactions and polymer processing. It falls under HTS 2924.19.11.20 as a chemically defined acyclic amide, specifically the amide of formic acid with dimethylamine, meeting Chapter 29 note (a).
Duty Rate — Canada → 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
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
Import Tips
• Verify purity certificate and CAS number on documentation to confirm classification; ensure proper hazardous material labeling (UN 2265) for DOT compliance
• Avoid misdeclaration as a mixture which could shift to heading 3824