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.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If already polymerized into coumarone-indene resin
Polymerized products move to Chapter 39; monomers remain in Chapter 29.
If crude benzofuran from coal tar pitch distillation
Crude residues containing >50% heterocycles still classified in Chapter 27.
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Import Tips & Compliance
• Certify distillation source and absence of Chapter 27 hydrocarbons to prevent reclassification
• Use NA1993 for non-hazardous pure chemical shipping; avoid generic chemical declarations
• Provide end-use letter if resin manufacturer to support drawback claims
Related Products under HTS 2932.99.32.00
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.
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.
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.