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Description
TCI D1367 3,4-Diethylhexane is a branched saturated hydrocarbon from the alkane family, built on a hexane backbone that carries two ethyl groups at the three and four positions. As a non-heterocyclic building block, this compound belongs to the group of pure hydrocarbons whose role in the laboratory is more that of a reference and test material than of a reactive reagent. Its well-defined branched structure makes it a useful example for studying the behaviour of alkane isomers, mass spectrometry fragmentation patterns, and retention characteristics in gas chromatographic analysis.
The properties that lead laboratories to select this material are its high chemical stability and a structure that contains no interfering functional groups. Branched alkanes are nonpolar, practically unreactive under ordinary laboratory conditions, and give a clean response on both flame ionisation detectors and mass spectrometers. The symmetrical branching at the three and four positions produces a characteristic spectral pattern and retention time, which makes the compound useful as a marker when comparing isomers that share the same molecular formula. Reagent-grade purity is essential here so that the comparison peak is not disturbed by other compounds.
For laboratories in Indonesia, this material is typically encountered in analytical and instrumentation work rather than in preparative synthesis. It suits university chemistry departments, research institutes, and industrial testing laboratories that run gas chromatography and mass spectrometry, where a defined branched alkane is needed as a comparison standard, a system suitability check, or a teaching example when demonstrating how structural isomerism affects instrumental response.
Laboratory Applications
- Gas chromatography reference work: the defined branched structure gives a characteristic retention time that supports peak identification and comparison against other alkane isomers.
- Mass spectrometry fragmentation studies: the symmetrical ethyl branching produces a distinctive fragmentation pattern useful for interpreting spectra and teaching structural elucidation principles.
- Alkane isomer research: serves as a well-characterised example when investigating how branching position influences the physical and chromatographic behaviour of hydrocarbons with identical molecular formulas.
- Detector response evaluation: its clean response on flame ionisation detectors makes it suitable for checking instrument performance and confirming consistent detector behaviour for pure hydrocarbons.
- Non-heterocyclic building block applications: available as a pure hydrocarbon starting material for method development and laboratory investigations requiring a chemically stable, functional-group-free carbon skeleton.
Specifications
- Brand: TCI
- Product code: D1367
- CAS number: 19398-77-7
- Category: Chemistry > Building Blocks > Non-Heterocyclic Building Blocks
- Pack sizes: available in the packaging options offered by the manufacturer for this catalogue item
- Storage: store in a tightly closed container in a cool, well-ventilated area away from heat and ignition sources
Handling and Storage
Store this material in its original tightly closed container, kept in a cool, dry, and well-ventilated area away from heat, sparks, open flames, and other ignition sources. Glass bottles with chemically resistant closures are appropriate, and containers should be kept sealed when not in use to limit evaporation and contamination that would compromise reference work. Handle in a fume hood, avoid the generation of vapours in confined spaces, and use standard laboratory personal protective equipment including safety glasses, gloves, and a laboratory coat. Keep separated from strong oxidising agents, and always consult the manufacturer's safety data sheet before use, transfer, or disposal.
