1-Hexene
1-Hexene is an acyclic unsaturated hydrocarbon with the formula C6H12, featuring a terminal double bond. It falls under HTS 2901.29.1050 as it is derived from petroleum through cracking processes and is not specifically enumerated elsewhere in the unsaturated acyclic hydrocarbons subheading. This chemical serves as a comonomer in polyethylene production.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If imported as liquefied petroleum gas mixture
Liquefied petroleum gases containing unsaturated hydrocarbons like propylene are classified in Chapter 27 as fuels rather than separate chemicals.
If derived from sources other than petroleum, shale oil, or natural gas
Non-petroleum derived unsaturated acyclic hydrocarbons fall into the general 'other' category outside the petroleum-specific subheading.
If mixture contains >70% by weight of petroleum oils and used as mixture
Complex reaction mixtures with petroleum oils and unsaturated hydrocarbons are classified as chemical mixtures rather than pure compounds.
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Import Tips & Compliance
• Verify purity certificate and origin documentation proving petroleum derivation to avoid reclassification under Chapter 27
• Ensure proper UN number (1993 for flammable liquids) and Hazard Class 3 labeling for DOT compliance
Related Products under HTS 2901.29.10.50
1-Octene
1-Octene (C8H16) is a linear alpha-olefin produced via ethylene oligomerization from petroleum feedstocks. Classified under HTS 2901.29.1050 as an 'other' petroleum-derived unsaturated acyclic hydrocarbon used primarily in linear low-density polyethylene (LLDPE) production. Its terminal double bond distinguishes it from saturated paraffins.
Ethylidene Norbornene
Ethylidene norbornene (ENB) is a diene comonomer (C10H14) derived from petroleum DCPD streams. Despite bicyclic structure, classified under HTS 2901.29.1050 as petroleum-derived unsaturated acyclic hydrocarbon per principal chain rule. Essential for EPDM rubber production providing vulcanization sites.
Isobutylene
Isobutylene (2-methylpropene, C4H8) is a branched unsaturated hydrocarbon from petroleum refinery C4 streams. HTS 2901.29.1050 applies as 'other' petroleum-derived acyclic unsaturated hydrocarbon, separated via extractive distillation. Primary use in butyl rubber and methacrylate production.
Diisobutylene
Diisobutylene (2,4,4-trimethylpentene isomers) results from isobutylene dimerization in petroleum processing. Classified HTS 2901.29.1050 as petroleum-derived unsaturated acyclic C8 hydrocarbon mixture of defined isomers. Used in antioxidants, lube additives, and fuel detergents.
1-Decene
1-Decene is a C10 alpha-olefin derived from petroleum via Ziegler process oligomerization. It qualifies for HTS 2901.29.1050 as a separate, chemically defined unsaturated acyclic hydrocarbon from petroleum sources, used in synthetic lubricants and detergents. Polymer grade specifications ensure classification as pure compound.
4-Methyl-1-Pentene
4-Methyl-1-pentene is a branched alpha-olefin (C6H12) produced from petroleum raffinates. It falls under HTS 2901.29.1050 as an 'other' petroleum-derived unsaturated acyclic hydrocarbon, distinct from straight-chain olefins. Used as comonomer in specialty polypropylenes and as chemical intermediate.