Cyclohexene Oxide
Cyclohexene oxide features a three-membered epoxide ring fused to a cyclohexane structure, serving as a chiral building block in organic synthesis. Classified in HTS 2910.90.91.00 as an other epoxide with specified ring, adhering to chapter limitations excluding certain cyclic polymers. Industrial applications include epoxy resin hardeners.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If for unsaturated cyclic epoxides
If unsaturation dominates over epoxide, classification shifts to earlier Chapter 29 unsaturated hydrocarbons.
If when used as heterocycle intermediate
Certain epoxy rings may classify as aziridines/oxides in 2933 if function aligns with heading scope.
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Import Tips & Compliance
• Chiral purity certificates required for pharma use; ensure no metal coordination per note (C)(3); bulk imports need DOT exemption for >450L quantities
Related Products under HTS 2910.90.91.00
Glycidol (2,3-Epoxy-1-propanol)
Glycidol is a viscous liquid epoxy alcohol containing a three-membered epoxide ring, used as a reactive diluent in epoxy resin formulations and as an intermediate in pharmaceutical synthesis. It falls under HTS 2910.90.91.00 as an epoxyalcohol with a three-membered ring, distinct from excluded epoxides noted in chapter provisions. The compound's epoxy functionality makes it essential for polymer cross-linking applications.
1,2-Epoxy-3-phenoxypropane
1,2-Epoxy-3-phenoxypropane is an epoxy ether derivative featuring a three-membered epoxide ring and phenoxy substitution, used in specialty coatings and adhesive formulations. Classified under HTS 2910.90.91.00 as an epoxyether with a three-membered ring, it meets chapter criteria for separate chemically defined epoxides. Its halogen-free structure distinguishes it from sulfonated or nitrated derivatives.
Butylene Oxide (1,2-Epoxybutane)
Butylene oxide is a simple aliphatic epoxide with a three-membered ring, employed as a monomer in polyether production and as a sterilizing agent. It qualifies for HTS 2910.90.91.00 as an 'other' epoxide, explicitly covered despite chapter note exclusions for certain cyclic forms. The compound's volatility requires stabilized packaging for safe transport.
Styrene Oxide
Styrene oxide contains a three-membered epoxide ring attached to a benzene ring, used as an intermediate in pharmaceutical synthesis and polymer modifiers. Under HTS 2910.90.91.00 as an other epoxy compound with a three-membered ring, it fits chapter scope for chemically defined organics. Its reactivity necessitates careful handling during import.
Glycidyl Methacrylate
Glycidyl methacrylate is an epoxy-functional methacrylate monomer with a three-membered glycidyl ring, widely used in UV-curable coatings and adhesives. HTS 2910.90.91.00 covers it as an epoxyether derivative meeting chapter criteria for epoxides. Polymerization reactivity drives its industrial demand.
Allyl Glycidyl Ether
Allyl glycidyl ether contains a three-membered epoxide ring with allyl substitution, functioning as a reactive diluent in epoxy resin systems. It falls under HTS 2910.90.91.00 as an epoxyether per chapter definitions excluding sulfonated derivatives. The compound enhances viscosity control in composites.