Dibenzofuran (Diphenylene Oxide) from Japan
Dibenzofuran is a tricyclic aromatic heterocyclic compound featuring oxygen as the only hetero-atom, specifically named in HTS 2932.99.32.00. It appears as white crystals used in synthesis and as a reference pollutant standard.
Duty Rate — Japan → United States
10%
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
• Include NMR or GC-MS spectra in documentation to confirm dibenzofuran structure and 99%+ purity
• Classify as hazardous material (UN 3077) due to environmental toxicity; prepare proper shipping papers
• Check TSCA inventory listing and obtain PMN if synthetic variant not pre-registered