2,4-Dinitrophenylhydrazine from China
2,4-Dinitrophenylhydrazine (DNPH) is an aromatic hydrazine derivative with nitro groups on the phenyl ring, used primarily for carbonyl compound identification. Classified under HTS 2928.00.25.00 as an aromatic derivative of hydrazine per Chapter 29 scope for separate chemically defined compounds. Its structure maintains the hydrazine parent with aromatic substitution.
Duty Rate — China → United States
44%
Rate breakdown
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)
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China
Import Tips
• Label as hazardous (toxic, explosive risk) and comply with DOT/IATA shipping regulations
• Include analytical grade certificates to distinguish from industrial mixtures
• Check for nitroaromatic restrictions under chemical weapons conventions