n-Octylcyclohexane from TCI, product code O0138, is a saturated hydrocarbon made of a cyclohexane ring carrying a straight octyl chain. It belongs to the class of alkyl-substituted cycloalkanes. The molecule has no double bonds and no reactive functional groups, so it is highly nonpolar and fairly inert. In the laboratory it is classed as a non-heterocyclic building block. In practice, it is used more often as a reference compound, a model component in hydrocarbon mixtures, and a nonpolar solvent for specialised work.
What sets this compound apart is that one molecule holds both a cyclic part and a straight-chain part. This structure represents the alkylated naphthenes, a group common in crude oil, fuels and lubricants. That makes n-Octylcyclohexane useful as a model compound and as an identification standard in hydrocarbon analysis. Because it is saturated and stable, it does not react easily under ordinary conditions. This makes it a good inert medium or comparison compound in physical studies, such as measuring viscosity or density, or studying how nonpolar compounds dissolve.
In Indonesia, this compound is relevant to petroleum and fuel analysis laboratories, lubricant research groups, and university chemistry departments working on hydrocarbon behaviour. Analysts can use it as a reference when identifying naphthenic components in complex samples. Researchers can use it as a controlled model for the cycloalkane fraction of real petroleum products. Its chemical stability also suits teaching and research labs that need a predictable, nonreactive nonpolar compound for comparing physical properties.
- Hydrocarbon analysis reference standard: its alkylated naphthene structure matches compounds found in petroleum, which helps analysts identify similar components in fuel and oil samples.
- Model compound for petroleum research: the ring and straight chain in one molecule make it a simple, well-defined stand-in for the naphthenic fraction of crude oil and lubricants.
- Component of model hydrocarbon mixtures: because it is saturated and chemically inert, it can be blended into synthetic mixtures without unwanted reactions with the other components.
- Physical property studies: its stability makes it a dependable comparison compound for measuring viscosity, density and other physical properties of nonpolar liquids.
- Specialised nonpolar solvent or inert medium: it has no reactive functional groups, so it can act as a nonreactive medium for studying how nonpolar compounds dissolve.
| Brand | TCI (product code O0138) |
|---|---|
| CAS number | 1795-15-9 |
| Molecular formula | — |
| Purity | — |
| Category | Chemistry > Building Blocks > Non-Heterocyclic Building Blocks |
| Pack sizes | see the available options on the product page |
| Physical form | see the TCI product label and documentation |
| Storage | keep tightly closed in a cool, dry, well-ventilated area, following the TCI Safety Data Sheet |
Store n-Octylcyclohexane in its original, tightly sealed container in a cool, dry, well-ventilated place. Keep it away from heat, open flames, sparks and strong oxidising agents, as you would any organic hydrocarbon. Glass or other chemically compatible containers are suitable, and they should be clearly labelled. Handle the material in a fume hood or well-ventilated area. Wear standard protective equipment, including safety glasses, chemical-resistant gloves and a lab coat. Avoid breathing vapours and prevent contact with skin and eyes. Always read the TCI Safety Data Sheet before use, and dispose of waste according to local regulations.
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