Pyrene
Pyrene (C16H10) is a polycyclic aromatic hydrocarbon with four fused rings in a plate-like structure. It falls under HTS 2902.90.20.00 as an explicitly named cyclic hydrocarbon used in electronics and dyes.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If substituted with nucleic acid base structures
Nucleic acid derivatives classify under heading 2934.
If in PAH standard mixture for environmental testing
Calibration mixtures classify as prepared analytical reagents.
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Import Tips & Compliance
• Provide fluorescence excitation/emission spectra for analytical grade confirmation
• Use amber glass for light-sensitive shipments to prevent photodegradation
• Declare CAS 129-00-0 and confirm sublimation point ~150°C
Related Products under HTS 2902.90.20.00
Acenaphthene
Acenaphthene is a polycyclic aromatic hydrocarbon (PAH) with the formula C12H10, consisting of naphthalene with an ethylene bridge. It falls under HTS 2902.90.20.00 as a specific cyclic hydrocarbon listed in the tariff description for separate chemically defined organic compounds.
Chrysene
Chrysene (C18H12) is a polycyclic aromatic hydrocarbon composed of four fused benzene rings. Classified under HTS 2902.90.20.00 as an explicitly listed cyclic hydrocarbon used in research and as a chemical intermediate.
p-Cymene
p-Cymene (para-cymene, C10H14) is a monoterpene aromatic hydrocarbon with methyl and isopropyl substituents on benzene. It is explicitly listed under HTS 2902.90.20.00 as a cyclic hydrocarbon used in fragrance and flavor industries.
Fluorene
Fluorene (C13H10) is a tricyclic aromatic hydrocarbon with a central five-membered ring. It qualifies under HTS 2902.90.20.00 as a named cyclic hydrocarbon used in dye manufacturing and as a fluorescent probe.
Indene
Indene (C9H8) is a bicyclic hydrocarbon with a benzene ring fused to a cyclopentene ring. Listed specifically under HTS 2902.90.20.00 as a cyclic hydrocarbon used in resin and synthetic rubber production.
Mesitylene (1,3,5-Trimethylbenzene)
Mesitylene is 1,3,5-trimethylbenzene (C9H12), a symmetrical trialkylbenzene. It is explicitly named in HTS 2902.90.20.00 as a cyclic hydrocarbon used as a solvent and in resin production.