Dichlorocyclooctane
1,5-Dichlorocyclooctane is an eight-membered ring chlorinated hydrocarbon used in polymer synthesis and as phase transfer catalyst. Falls under HTS 2903.89.70.90 as unspecified halogenated cyclanic derivative, consistent with Chapter 29 scope for cyclic saturated chlorinated compounds.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If when polymerized before import
Polymerized forms become Chapter 39 plastics rather than Chapter 29 monomers.
If for brominated cyclanic analogs
Brominated cyclanic hydrocarbons have separate provisions.
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Import Tips & Compliance
• Provide ring size confirmation via NMR spectra; ensure no olefinic impurities affecting classification; coordinate with polymer importers to prevent parts/sets misclassification
Related Products under HTS 2903.89.70.90
Hexachlorocyclopentadiene
Hexachlorocyclopentadiene is a chlorinated cyclic hydrocarbon used primarily as a chemical intermediate in pesticide and flame retardant production. It falls under HTS 2903.89.70.90 as a halogenated derivative of cyclanic hydrocarbons, specifically featuring multiple chlorine atoms attached to a cyclopentadiene ring structure. This classification aligns with Chapter 29 notes for separate chemically defined organic compounds with halogen substitution.
Chlorendic Anhydride
Chlorendic anhydride (1,4,5,6,7,7-hexachloro-5-norbornene-2,3-dicarboxylic anhydride) is a halogenated bicyclic compound used in flame-retardant resins and coatings. Classified under HTS 2903.89.70.90 as a halogenated cyclanic derivative despite anhydride function, following Chapter 29 rule prioritizing latest numerical heading for multi-function compounds. Meets criteria for chemically defined cyclic halogenated hydrocarbons.
Hexachlorocyclohexane (Technical Grade)
Technical grade hexachlorocyclohexane (HCH) is a mixture of isomers of chlorinated cyclohexane used historically as pesticide intermediate (excluding Lindane isomer). Falls under HTS 2903.89.70.90 per Chapter 29 note (b) for mixtures of isomers of same organic compound, specifically halogenated cyclanic hydrocarbons. Excludes purified single isomers which may have specific subheadings.
Tetrachlorocyclohexane
Tetrachlorocyclohexane is a partially chlorinated cyclohexane derivative used as chemical intermediate and solvent. Classified in HTS 2903.89.70.90 as 'other' halogenated cyclanic hydrocarbons not specified in prior subheadings. Qualifies under Chapter 29 for separate chemically defined halogenated cyclic compounds.
Pentachlorocyclopentane
Pentachlorocyclopentane serves as a reactive intermediate in fluorochemical and pesticide synthesis, featuring five chlorine atoms on a five-membered cyclopentane ring. HTS 2903.89.70.90 applies as a halogenated cyclanic hydrocarbon per Chapter 29 definitions, excluding sulfonated or aromatic derivatives. The high chlorine content requires specialized safety handling.
Trichlorocyclohexene (Technical)
Technical trichlorocyclohexene contains primarily 1,2,4-trichlorocyclohexene used in chlorination reactions. Despite partial unsaturation, classifies under HTS 2903.89.70.90 as cyclenic halogenated hydrocarbon 'other' category, per heading structure distinguishing cyclanic/cyclenic from aromatic.