Dimethylformamide (DMF) 99.9% Pure from China
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 — China → United States
137.5%
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
9903.05.3112.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of China, as provided for in U.S. note 52 to this subchapter
9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
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