Cumene (Isopropylbenzene)
Cumene is an alkylbenzene consisting of a benzene ring with an isopropyl group attached, used primarily as an intermediate in phenol and acetone production. It falls under HTS 2902.90.30 as a chemically defined cyclic hydrocarbon with an alkyl substituent. This classification applies to pure alkylbenzenes meeting chapter 29 criteria for separate organic compounds.
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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 derived directly from petroleum refining without purification
Crude alkylbenzenes from distillation fall under Chapter 27 as aromatic hydrocarbon mixtures, not pure compounds.
If containing polyalkyl or complex branching beyond simple monoalkylbenzene
More complex alkylbenzenes may classify under the residual 'other cyclic hydrocarbons' provision.
If when imported as chemical mixture with >2% impurities
Mixtures not meeting 'separate chemically defined compound' criteria shift to prepared chemical preparations.
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Import Tips & Compliance
• Verify purity through Certificate of Analysis (COA) to confirm classification as chemically defined compound under Chapter 29
• Include Safety Data Sheet (SDS) showing flammability hazards; ensure proper UN packaging for hazardous goods
• Avoid misclassification as petroleum distillate by providing lab documentation distinguishing from Chapter 27 mixtures
Related Products under HTS 2902.90.30
p-Cymene (4-Isopropyltoluene)
p-Cymene is a naturally occurring alkylbenzene with both methyl and isopropyl groups on the benzene ring, used in fragrance synthesis and polymer production. Classified under HTS 2902.90.30 as a polyalkylbenzene fitting chapter criteria for pure organic compounds. Its structure qualifies it specifically within this alkylbenzene subheading.
n-Butylbenzene
n-Butylbenzene features a straight-chain butyl group attached to benzene, serving as an intermediate for surfactants and plasticizers. It qualifies under HTS 2902.90.30 as a chemically defined alkylbenzene per Chapter 29 note (a). The pure compound status distinguishes it from mixtures.
Diisopropylbenzene
Diisopropylbenzene contains two isopropyl groups on the benzene ring, used in resin and specialty chemical manufacturing. As a polyalkylbenzene, it precisely matches HTS 2902.90.30 criteria for cyclic hydrocarbons with multiple alkyl substituents. Chapter notes confirm applicability to pure isomers.
1,4-Diethylbenzene
1,4-Diethylbenzene is a symmetric polyalkylbenzene used in high-performance polymer production like polyethylene naphthalate. It falls under HTS 2902.90.30 as a pure dialkyl-substituted cyclic hydrocarbon. The para configuration distinguishes its chemical properties for specific syntheses.
sec-Butylbenzene
sec-Butylbenzene has a secondary butyl group on the benzene ring, serving as precursor for styrene derivatives. Classified in HTS 2902.90.30 as an alkylbenzene isomer meeting purity standards of Chapter 29. Its branched structure provides specific reactivity profiles.
1,3,5-Trimethylbenzene (Mesitylene)
Mesitylene is a symmetrical trialkylbenzene used as solvent and pyrotechnic fuel. It qualifies under HTS 2902.90.30 as a polyalkylbenzene per the exact subheading description. High symmetry gives unique solvency properties.