Spiropentane
Spiropentane (C5H8) features two fused cyclopropane rings at a single carbon atom, classifying it as a unique cyclane under HTS 2902.19.0050. Primarily used in advanced organic chemistry research.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If derivatives with halogen substitution
Halogenated cyclic hydrocarbons classified by halogen function in later subheadings.
If nucleoside analogs containing spiro cyclane core
Pharmaceutical intermediates with sugar moiety take precedence by functional classification.
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
• Provide peer-reviewed structural characterization data confirming spiro[2.2]pentane identity
• Handle as pyrophoric material requiring Schlenk line techniques and argon atmosphere
• Limit import quantities under DEA research chemical protocols if applicable
Related Products under HTS 2902.19.00.50
Norbornane
Norbornane is a bridged cyclic hydrocarbon (C7H12) classified as a cyclane under HTS 2902.19.0050 due to its saturated bicyclic structure with no aromatic characteristics. It serves as a key intermediate in organic synthesis and pharmaceutical production.
Cycloheptane
Cycloheptane (C7H14) is a seven-membered saturated cycloalkane used as a solvent and reaction medium in chemical manufacturing. It qualifies under HTS 2902.19.0050 as a cyclane, being a non-aromatic cyclic hydrocarbon.
Bicyclo[2.2.1]heptane
Bicyclo[2.2.1]heptane is a saturated bicyclic cyclane used in polymer precursor synthesis and fragrance chemistry. Classified under HTS 2902.19.0050 as it meets criteria for cyclanes other than specified subheadings.
Adamantane
Adamantane (C10H16) is a highly symmetrical tricyclic cyclane used in pharmaceutical intermediates and materials science. It falls under HTS 2902.19.0050 as a complex cyclane structure not specifically enumerated elsewhere.
Perhydroindane
Perhydroindane is a fully saturated bicyclic hydrocarbon (decahydro-1H-indene) used in high-performance lubricant formulations. Classified as 'other cyclanes' under HTS 2902.19.0050 due to its fused ring cyclane structure.
Cyclodecane
Cyclodecane (C10H20) is a medium-ring saturated cycloalkane serving as a phase-change material and polymer precursor. It qualifies under HTS 2902.19.0050 as a higher cyclane not specifically provided for.