Thiophene-Free Benzene
Purified benzene with thiophene content <0.2 ppm, essential for pharmaceutical intermediate production. Colorless flammable liquid cyclic hydrocarbon. HTS 2902.20.00.00 per Chapter 29 chemically defined compounds exclusion of mixtures.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If contains heterocyclic impurities
Presence of heterocyclic compounds like thiophene may classify under organo-heterocyclic heading.
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Import Tips & Compliance
• Hydrogenation purification certificate required to prove thiophene removal
• GMP facility documentation needed if destined for drug master file applications
• Class 3 PG II labeling mandatory; ensure IBC/ISO tank certifications
Related Products under HTS 2902.20.00.00
Industrial Grade Benzene
Pure benzene (C6H6), a colorless liquid cyclic hydrocarbon used primarily as a solvent and chemical intermediate in manufacturing styrene, phenol, and other aromatics. Classified under HTS 2902.20.00.00 as it is a separate chemically defined cyclic hydrocarbon. Meets Chapter 29 note (a) for separate organic compounds.
Nitration Grade Benzene
High-purity benzene (>99.99%) specifically for nitrobenzene production via nitration process. Aromatic cyclic hydrocarbon essential for explosives, dyes, and pharmaceuticals. HTS 2902.20.00.00 as pure chemically defined compound per Chapter 29 note (a).
Polymerization Grade Benzene
Ultra-high purity benzene for polystyrene and cumene production via catalytic polymerization. Cyclic hydrocarbon meeting stringent non-staining requirements for plastics manufacturing. Classified HTS 2902.20.00.00 as separate chemically defined organic compound.
Anhydrous Benzene
Water-free (<20 ppm H2O) benzene for moisture-sensitive Grignard reactions and organometallic synthesis. Pure cyclic hydrocarbon solvent. Classified under 2902.20.00.00 as chemically defined compound without excluded water content.
ACS Reagent Benzene
American Chemical Society specification benzene meeting rigorous purity standards for laboratory analysis. Contains specific impurities limits per ACS monograph. HTS 2902.20.00.00 as pure cyclic hydrocarbon despite lab-grade designation.
Styrene Monomer Feedstock Benzene
Pipeline specification benzene for ethylbenzene/styrene monomer production via alkylation. Meets non-coloring specs for clear polystyrene. Pure C6H6 classified 2902.20.00.00.