4-Nitrophenyl Formate from China
4-Nitrophenyl formate is a nitrated aromatic ester of formic acid with the nitro group on the phenolic ring. Falls under HTS 2915.13.10.00 as aromatic formic acid ester; nitrated derivatives included per Chapter 29 note 4. Used as reagent in biochemical assays.
Duty Rate — China → United States
43%
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
• Hazard class 6.1 (toxic) requires UN-approved packaging and proper DOT markings
• Include synthetic route documentation proving direct formic esterification of 4-nitrophenol
• Monitor for hydrolysis products; declare as pure if water content <0.5%