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.
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More Specific Codes
This product may fall under a more specific subheading:
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If ethylbenzene dominant (>50%) in shipment
Ethylbenzene has separate statistical breakout within same heading.
If mixed with drilling additives for oilfield use
Mixed hydrocarbon preparations for specific industrial use become Chapter 38 products.
If predominantly styrene content
Styrene (vinylbenzene) has dedicated heading taking precedence by numerical order.
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Import Tips & Compliance
• Specify meta-, ortho-, or para- isomer on commercial invoice with CAS number
• UN 3077 environment hazard classification may apply; prepare spill response documentation
• Avoid bulk shipments mixed with ethylbenzene to prevent commingling classification issues
Related Products under HTS 2902.90.30
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.
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.
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.