Norborane (Bicyclo[2.2.1]heptane)
Norborane is a bicyclic cycloalkane classified under HTS 2902.19.00 as other cyclanes. Used in specialty polymer production and pharmaceutical intermediates.
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More Specific Codes
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If unsaturated bicyclic cyclene
Benzene derivatives and unsaturated cyclenes have distinct headings.
If containing organo-metallic impurities
Chapter notes exclude organo-inorganic compounds from pure hydrocarbons.
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Import Tips & Compliance
• Provide molecular structure diagram confirming bicyclic[2.2.1] system
• High-purity grades (>99%) must have CoA matching Chapter 29 chemically defined criteria
• Avoid Chapter 29 note exclusion (b) by excluding ethyl alcohol mixtures
Related Products under HTS 2902.19.00
Cyclohexane
Cyclohexane is a six-carbon cycloalkane (C6H12) classified under HTS 2902.19.00 as a cyclane, a saturated cyclic hydrocarbon. It is a colorless, flammable liquid used primarily as a solvent in industrial applications and as an intermediate in nylon production.
Methylcyclohexane
Methylcyclohexane (C7H14) is a cycloalkane with a methyl substituent, falling under HTS 2902.19.00 as 'other' cyclanes. Used as a solvent in rubber production and chromatography, it exemplifies alkyl-substituted cyclic hydrocarbons.
Cyclopentane
Cyclopentane (C5H10) is a five-membered ring cycloalkane under HTS 2902.19.00. Primarily used as a blowing agent in polyurethane foam production for insulation, it is a separate chemically defined cyclic hydrocarbon.
Ethylcyclohexane
Ethylcyclohexane (C8H16) is an alkyl-substituted cycloalkane classified in HTS 2902.19.00 as other cyclanes. Used in organic synthesis and as a high-purity solvent in research applications.
Decalin (Decahydronaphthalene)
Decalin, or decahydronaphthalene (C10H18), is a bicyclic cycloalkane under HTS 2902.19.00. Used as a solvent in paint removers and as a reference standard in fuel testing.
1,3-Dimethylcyclohexane
1,3-Dimethylcyclohexane is a disubstituted cycloalkane under HTS 2902.19.00. Employed in fragrance synthesis and as a GC calibration standard.