Dibenzofuran-99% ACS Reagent Grade from Mexico
ACS-grade dibenzofuran (>99% purity) for organic synthesis and as PAH analysis standard. Falls under HTS 2932.99.32.00 as specifically named aromatic oxygen heterocycle.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Provide lot analysis showing <0.5% impurities to maintain Chapter 29 principal compound status
• Label as 'Research Chemical - Not for Drug Use' to avoid FDA scrutiny
• Use proper DOT labeling (PG III, Environmentally Hazardous Substance)