Phenanthrene
Phenanthrene (C14H10) is a tricyclic aromatic hydrocarbon with angularly fused rings. Classified under HTS 2902.90.20.00 as a specifically listed cyclic hydrocarbon used in explosives 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 extracted from coal tar creosote oil
Coal tar distillates containing phenanthrene classify under Chapter 27.
If converted to phenanthrenequinone derivative
Oxygenated polycyclic compounds move to heterocyclic heading 2933.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right HTS code — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Document melting range 99-101°C and UV absorption maxima for identity
• Sublime under vacuum for purification to meet 99.5% specification
• Declare as UN 3077 Environmentally Hazardous Substance for bulk shipments
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.