Benzofuran (Coumarone)
Benzofuran, also known as coumarone, is an aromatic heterocyclic compound with oxygen as the sole hetero-atom in its fused ring structure. It falls under HTS 2932.99.32.00 as a specific aromatic compound listed in this subheading within Chapter 29 for heterocyclic compounds with oxygen hetero-atoms only.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If classified primarily by its aromatic ether functionality
Aromatic ethers fall under heading 2909, but Chapter 29 note prioritizes heterocyclic classification in 2932.
If crude distillation fractions containing benzofuran from coal tar
Mixtures from petroleum/coal tar processes go to Chapter 27, not pure compounds of Chapter 29.
If imported as mixture with solvents exceeding safety/transport limits
Solutions not qualifying under Chapter 29 note (e) fall to mixtures in 3824.
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Import Tips & Compliance
• Provide detailed chemical analysis certificates confirming purity and structure as aromatic benzofuran to avoid misclassification
• Ensure SDS (Safety Data Sheets) comply with HAZMAT regulations for chemical imports; declare as UN 2810 if toxic
• Verify REACH compliance for EU-sourced material if transshipping through Europe
Related Products under HTS 2932.99.32.00
Dibenzofuran (Diphenylene Oxide)
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.
Coumarone Resin Grade Benzofuran
High-purity benzofuran distilled for coumarone-indene resin production in adhesives and inks. Classified under HTS 2932.99.32.00 as the named aromatic heterocyclic compound with oxygen hetero-atom.
2-Methylbenzofuran Analytical Standard
Certified reference material of 2-methyl substituted benzofuran at 1000 ppm in solvent, used for EPA Method 8270 calibration. The core benzofuran structure qualifies it for HTS 2932.99.32.00.
Dibenzofuran-99% ACS Reagent Grade
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.
Benzofuran for Perfumery Synthesis
Ultra-pure benzofuran used as intermediate in synthesizing coumarin-like fragrance compounds. HTS 2932.99.32.00 covers this named aromatic heterocyclic oxygen compound.
Dibenzofuran Environmental Standard 1000μg/mL
Dibenzofuran in toluene at 1000μg/mL for Superfund site analysis (EPA 8275A). Solution qualifies under HTS 2932.99.32.00 per Chapter 29 note (e) for transport.