2,3,4,6-Tetrachlorophenol
2,3,4,6-Tetrachlorophenol features four chlorine atoms in asymmetric distribution around the phenolic ring. Meets HTS 2908.19.60.00 'only halogen' criteria as obscure positional isomer. Used in analytical chemistry standards and toxicological studies.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If diagnostic reagents
Lab reagents in diagnostic kits classify by function per Chapter 38 exclusions.
If pentachlorophenol specifically
More substituted analog has specific subheading; less common isomers remain 'other'.
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Import Tips & Compliance
• Reference analytical standards require NIST-traceable certificates for CBP verification
• Small package research imports often duty-free under de minimis provisions
• Isomer-specific naming prevents generic 'chlorophenol' undervaluation attempts
Related Products under HTS 2908.19.60.00
2,4,6-Trichlorophenol
2,4,6-Trichlorophenol is a halogenated derivative of phenol with three chlorine atoms substituting hydrogen on the aromatic ring. It falls under HTS 2908.19.60.00 as it contains only halogen substituents and is not specifically enumerated elsewhere in the subheading. Commonly used as an intermediate in pesticide and herbicide synthesis.
2,4-Dichlorophenol
2,4-Dichlorophenol features two chlorine atoms ortho and para to the phenolic hydroxyl group, qualifying as a halogen-only substituted phenol derivative. Falls under HTS 2908.19.60.00 as 'other' halogenated phenols. Key intermediate for 2,4-D herbicide production.
Tetrabromophenol A
Tetrabromophenol A (2,4,6-tribromophenol with additional bromination) is a brominated phenol with only halogen substituents. HTS 2908.19.60.00 applies to this 'other' derivative used in flame retardant synthesis. Bromine provides higher flame suppression than chlorine analogs.
2,6-Dibromo-4-chlorophenol
Mixed halogenated phenol with two bromine and one chlorine substituent, meeting 'only halogen substituents' criteria. HTS 2908.19.60.00 covers this mixed-halogen derivative used in specialty polymer flame retardants. Mixed halogens provide tuned reactivity profiles.
Pentafluorophenol
Pentafluorophenol has all five ring hydrogens replaced by fluorine atoms, creating a highly electrophilic phenol derivative. Falls under HTS 2908.19.60.00 as the ultimate 'only halogen' substituted phenol. Used in organofluorine coupling reactions and peptide synthesis.
2,4,6-Tribromophenol
2,4,6-Tribromophenol is a symmetrically brominated phenol derivative used as reactive flame retardant monomer. Classified HTS 2908.19.60.00 for its exclusive halogen substitution pattern. Provides permanent flame retardancy when polymerized into epoxy resins.