Dibenzofuran-99% ACS Reagent Grade from Canada
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 — Canada → United States
10%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
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)