TCI M0282 is 3-Methylnonane, a branched ten-carbon alkane isomer in which a methyl group is attached to the third carbon atom of the nonane chain. This compound completes the family of methylnonane isomers that are frequently used together as a reference set in hydrocarbon analysis. A difference in branch position of only a single carbon atom proves sufficient to alter the physical and chromatographic behaviour of the compound, and it is precisely this subtle distinction that laboratories exploit to separate and identify individual components within hydrocarbon mixtures that closely resemble one another.
The reason this compound is selected is its definite structural identity combined with its inert character. As a saturated hydrocarbon, it carries no reactive functional groups, so it does not readily undergo oxidation, hydrolysis, or structural change during normal storage — an important advantage for a material intended to serve as a comparison standard. Its good solubility in non-polar solvents such as hexane and dichloromethane makes it straightforward to prepare standard solutions across a range of concentration levels. That same non-polar nature also gives it a consistent and readily predictable response on a flame ionisation detector.
In Indonesian laboratories, 3-Methylnonane is typically handled within analytical and instrumentation work involving hydrocarbon mixtures, where it functions as one member of a set of branched alkane references rather than as a stand-alone item. Its stability under ordinary storage conditions suits laboratories that prepare working solutions periodically from a single stock, and its predictable detector behaviour supports routine method development, system verification, and the day-to-day identification of closely related components.
- Gas chromatography reference standard — its definite branched structure and predictable retention behaviour allow analysts to anchor peak identification within complex hydrocarbon separations with confidence.
- Methylnonane isomer series work — used alongside its positional isomers, it helps demonstrate and verify that a chromatographic method can resolve branch positions differing by a single carbon atom.
- Preparation of calibration solutions — good solubility in non-polar solvents such as hexane and dichloromethane makes it practical to prepare standards across several concentration levels.
- Flame ionisation detector response checks — its non-polar saturated character produces a consistent, readily predictable FID response suitable for verifying detector performance over time.
- Hydrocarbon mixture component identification — the compound serves as a structural comparison point when distinguishing closely similar constituents within petroleum-type and other hydrocarbon samples.
| Brand | TCI |
|---|---|
| CAS number | 5911-04-6 |
| Molecular formula | — |
| Purity | — |
| Category | Chemistry > Building Blocks > Non-Heterocyclic Building Blocks |
| Pack sizes | available in the pack sizes listed on this product page |
| Physical form | — |
| Storage | store in a tightly closed container, away from heat and ignition sources |
- Product code: M0282
Store 3-Methylnonane in a tightly closed container in a cool, well-ventilated area, away from heat, sparks, open flames, and other sources of ignition. Containers compatible with non-polar hydrocarbons, such as glass bottles with solvent-resistant closures, are appropriate; keep them sealed when not in use to limit evaporative loss. Handle the material inside a fume hood and wear standard laboratory protective equipment, including safety glasses, a lab coat, and chemically resistant gloves. Avoid dispensing near ignition sources, and refer to the manufacturer's safety data sheet before first use and for disposal guidance.
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