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Description
TCI E0124 2-Ethyl-1-hexene is a branched eight-carbon alkene carrying a terminal double bond positioned next to an ethyl branch, which classifies it as a 1,1-substituted olefin. This structure makes it a purely hydrocarbon building block with no polar functional groups, useful whenever researchers need a reaction site consisting of nothing but a carbon-carbon double bond. In the laboratory the compound serves as a model substrate for addition reactions, hydroformylation, epoxidation, and polymerization studies, and it also functions as a comparison material in hydrocarbon chromatography analysis.
The property that leads chemists to select this material is the distinctive substitution pattern of its double bond. Because the terminal carbon is unsubstituted while the internal carbon bears two alkyl groups, the compound delivers clear regioselectivity in addition reactions following Markovnikov's rule as well as in anti-Markovnikov reactions. Its nonpolar skeleton mixes readily with hydrocarbon solvents and does not interfere with catalysts that are sensitive to protic groups. As a branched olefin it is also an interesting comonomer in polymerization work, since the branching influences the crystallinity and mechanical properties of the resulting polymer.
Indonesian laboratories typically work with this compound in synthetic organic chemistry groups, catalysis research, and polymer science programmes at universities and research institutes, as well as in industrial method-development laboratories. It is normally requested in small research quantities for reaction screening, for building calibration and comparison series in hydrocarbon analysis, and for teaching purposes where a clean, functional-group-free olefin substrate is required to demonstrate the fundamentals of alkene reactivity.
Laboratory Applications
Addition reaction studies: the unsubstituted terminal carbon paired with a disubstituted internal carbon gives an unambiguous regiochemical outcome, making mechanistic interpretation of Markovnikov and anti-Markovnikov additions straightforward.
Hydroformylation research: as a branched terminal olefin with no polar functional groups, it acts as a clean model substrate for probing catalyst activity and selectivity without competing coordination sites.
Epoxidation work: the isolated terminal double bond is the only reactive centre in the molecule, so oxidant screening and epoxidation condition optimisation can be evaluated on a single well-defined site.
Polymerization and comonomer studies: its branched eight-carbon skeleton lets researchers examine how alkyl branching modifies the crystallinity and mechanical behaviour of the polymers produced.
Hydrocarbon chromatography: the compound serves as a comparison and reference material for identifying branched olefin peaks in gas chromatographic analysis of hydrocarbon mixtures.
Specifications
Brand: TCI (Tokyo Chemical Industry)
CAS number: 1632-16-2
Category: Chemistry > Building Blocks > Non-Heterocyclic Building Blocks
Product code: E0124
Pack sizes: available in standard TCI research pack sizes; please confirm the packaging option when ordering
Storage note: store in a cool, well-ventilated place in a tightly closed original container, away from heat and ignition sources
Handling and Storage
Keep the container tightly closed and store it in a cool, dry, well-ventilated area away from heat, sparks, open flames, and oxidising agents. The original manufacturer packaging is the most suitable container; if transfer is necessary, use glassware or containers compatible with nonpolar hydrocarbons and avoid materials that may be attacked by organic solvents. All handling should take place in a functioning fume hood, using safety glasses, chemically resistant gloves, and a laboratory coat. Ground containers when transferring larger volumes to prevent static discharge, keep working quantities to the minimum needed, and consult the manufacturer's safety data sheet before use and for waste disposal guidance.
