TCI M0281 is 2-Methylnonane, a branched saturated hydrocarbon containing ten carbon atoms that belongs to the non-heterocyclic building blocks group. The compound is a branched isomer of decane carrying a methyl group on the second carbon atom of the chain. Despite the simplicity of its structure, a pure branched alkane of this kind holds considerable value in the laboratory because it serves as a well-defined reference compound. Its availability allows researchers to identify, compare, and quantify hydrocarbon components within complex samples far more confidently than would be possible by relying on spectral databases alone.
The properties that make this compound a preferred choice are its structural purity and its distinctive chromatographic behaviour. The position of the methyl branch influences retention time on gas chromatography columns, so each methylnonane isomer can be distinguished from the others, and it is precisely this difference that analysts exploit in their work. As a non-polar hydrocarbon, the compound is chemically stable, unreactive toward most reagents under ordinary conditions, readily soluble in non-polar organic solvents, and insoluble in water. That stability makes it dependable as a standard whose assigned value does not drift over the course of a measurement campaign.
In Indonesian laboratories, a material of this type is typically held by analytical and research groups that deal with hydrocarbon mixtures on a routine basis. It is kept as a reference item on the chemical inventory rather than as a bulk consumable, drawn upon whenever an identification needs to be confirmed or a calibration series prepared. Petroleum and petrochemical testing units, environmental analysis laboratories, and university chemistry departments are the settings where a defined branched alkane of this kind is most often called for.
- Gas chromatography retention indexing: the compound's distinctive retention behaviour, governed by the position of its methyl branch, provides a fixed anchor point against which unknown hydrocarbon peaks can be placed.
- Identification of hydrocarbons in complex mixtures: co-injection with a sample allows an analyst to confirm a peak assignment directly rather than depending solely on a spectral library match.
- Quantitative calibration of hydrocarbon analyses: its structural purity and stability make it suitable for preparing calibration series whose assigned concentration values remain reliable throughout the work.
- Differentiation of methylnonane isomers: because branch position alters chromatographic behaviour, this isomer helps analysts resolve and correctly assign closely related branched decane structures.
- Non-polar solvent and reference medium in organic work: being unreactive toward most reagents under ordinary conditions, it can be used where a chemically inert hydrocarbon matrix is required.
| Brand | TCI |
|---|---|
| CAS number | 871-83-0 |
| Molecular formula | — |
| Purity | — |
| Category | Chemistry > Building Blocks > Non-Heterocyclic Building Blocks |
| Pack sizes | available in the standard catalogue pack sizes offered by TCI for this item; please confirm the size required when ordering |
| Physical form | — |
| Storage | keep in a tightly closed container in a cool, well-ventilated place away from sources of ignition |
- Chemical name: 2-Methylnonane
Store the container tightly closed in a cool, dry, and well-ventilated area, away from heat, open flames, sparks, and other sources of ignition. Keep it separated from strong oxidising agents. Original manufacturer bottles or compatible glass containers with secure closures are appropriate, and containers should remain sealed when not in use to limit evaporative loss of this volatile hydrocarbon. Handle in a fume hood, wear safety goggles, chemically resistant gloves, and a laboratory coat, and avoid inhaling vapour or allowing prolonged skin contact. Consult the manufacturer's safety data sheet before use and dispose of residues in accordance with local regulations for organic solvent waste.
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