4-Nitrophenyl Formate from Mexico
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 — Mexico → United States
15.5%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
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%