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Description
TCI E0774 1-Eicosene is a long-chain α-olefin containing twenty carbon atoms and a single terminal double bond, classified as a non-heterocyclic building block. This pure hydrocarbon compound plays an important role in the laboratory as a model substrate, a chromatography reference material, and a comonomer in polymer research. Because its structure is simple and clearly defined — a long alkyl chain with one reactive point at the end — it is frequently used to study the behaviour of long-chain olefins without interference from other functional groups, whether in catalysis studies, separation work, or the characterisation of hydrophobic materials.
The property that makes this material a preferred choice is the combination of a long hydrophobic chain with the clean reactivity of a terminal alkene. The terminal double bond can undergo metathesis, hydroformylation, epoxidation, hydrosilylation, hydrogenation, oligomerisation, and thiol-ene radical reactions, while the C20 chain imparts strongly non-polar character that is useful for modifying surfaces or adjusting the solubility of a given system. Having only one reactive site keeps reaction outcomes straightforward to interpret, which is exactly what is wanted when a compound is being used as a reference or as a mechanistic model rather than as a target molecule.
In Indonesian laboratories, this material is typically found in university research groups, polymer and materials laboratories, and analytical service units that need a well-defined long-chain olefin standard. The 25 mL pack size suits bench-scale synthesis, method development, and repeated calibration work rather than production use, allowing a single unit to serve a research project over an extended period. It is generally ordered alongside other building blocks for comparative studies across a homologous series of α-olefins.
Laboratory Applications
- Olefin metathesis studies: the single terminal double bond gives a clean, unambiguous reaction site, making product distributions easy to interpret when screening catalysts.
- Chromatographic reference material: as a well-defined C20 hydrocarbon with no other functional groups, it serves as a dependable retention marker in separation method development.
- Polymer comonomer research: the long alkyl chain introduces controlled branching and hydrophobicity, allowing researchers to relate comonomer chain length to bulk polymer properties.
- Hydrophobic surface modification: the strongly non-polar C20 chain, anchored through terminal-alkene chemistry such as hydrosilylation or thiol-ene coupling, tailors wettability on treated surfaces.
- Model substrate for addition reactions: hydroformylation, epoxidation, and hydrogenation studies benefit from a substrate whose only reactive feature is the terminal alkene.
Specifications
- Brand: TCI
- CAS number: 3452-07-1
- Category: Chemistry > Building Blocks > Non-Heterocyclic Building Blocks
- Pack size: 25 mL
- Physical form: supplied by volume and normally handled as a liquid; as a long-chain hydrocarbon it may thicken or solidify at cooler temperatures
- Storage: keep in a cool, dry place away from heat, ignition sources, and oxidising agents
Handling and Storage
Store the container tightly closed in a cool, dry, well-ventilated area away from direct sunlight, heat, open flames, and strong oxidising agents. The original supplier bottle is the most suitable container; if the material must be transferred, use clean glass with a chemically resistant closure and label it clearly. Should the contents thicken or solidify in a cool room, allow the bottle to warm gently and mix to homogeneity before taking a sample, since partial solidification can make a withdrawn aliquot unrepresentative. Handle in a fume hood, wear safety glasses, nitrile gloves, and a laboratory coat, and avoid skin and eye contact. Keep away from drains, and follow institutional procedures for spill cleanup and organic waste disposal. Always consult the manufacturer's safety data sheet before first use.
