tert-Butylbenzene
tert-Butylbenzene is a sterically hindered alkylbenzene used in organic synthesis. Falls under HTS 2902.90.30.50 as other alkylbenzenes. Pure compound excluding solvent mixtures.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If acyclic saturated hydrocarbon impurities dominate
High acyclic content shifts to earlier acyclic hydrocarbon headings.
If as laboratory reagent solution
Retail laboratory preparations classify as mixtures rather than pure substances.
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Import Tips & Compliance
• Steric confirmation via molecular modeling data; distillation specs critical; Class IB flammable liquid declarations
Related Products under HTS 2902.90.30.50
Cumene (Isopropylbenzene)
Cumene is a colorless, volatile liquid alkylbenzene with the formula C6H5CH(CH3)2, used primarily as an intermediate in phenol and acetone production. It falls under HTS 2902.90.30.50 as an 'other' alkylbenzene, being a monoalkyl derivative of benzene with a cyclic hydrocarbon structure. This chemically defined organic compound meets Chapter 29 note (a) for separate compounds.
p-Cymene (Para-Isopropyltoluene)
p-Cymene is a naturally occurring polyalkylbenzene (C10H14) found in essential oils, used in fragrance and solvent applications. Classified under HTS 2902.90.30.50 as 'other' polyalkylbenzenes due to its two alkyl substituents on the benzene ring. Meets Chapter 29 requirements for chemically defined cyclic hydrocarbons.
1,2,4-Trimethylbenzene (Pseudocumene)
Pseudocumene is a flammable liquid polyalkylbenzene used in plasticizer and dye production. It qualifies for HTS 2902.90.30.50 as an 'other' trimethyl derivative of benzene. As a separate chemically defined compound per Chapter 29 note (a), it excludes crude petroleum fractions.
1,3,5-Trimethylbenzene (Mesitylene)
Mesitylene is a symmetrical trimethylbenzene used as a solvent and in resin production. Falls under HTS 2902.90.30.50 as 'other' polyalkylbenzenes, being a chemically pure cyclic hydrocarbon. Excluded from Chapter 27 as it's not a crude mixture.
n-Propylbenzene
n-Propylbenzene (C6H5C3H7) serves as an intermediate for pharmaceuticals and fragrances. Classified in HTS 2902.90.30.50 as other alkylbenzenes, distinct from ethyl- or isopropyl- variants. Pure compound status confirmed by chemical definition.
sec-Butylbenzene
sec-Butylbenzene is an alkylbenzene used in surfactant synthesis. It fits HTS 2902.90.30.50 as 'other' polyalkylbenzene equivalents with C4+ chains. Chemically defined per Chapter 29, excluding formulated mixtures.