TCI H0536 9-Heptadecanone is a symmetrical long-chain ketone containing seventeen carbon atoms, with the carbonyl group positioned exactly at the centre of the aliphatic chain. The compound belongs to the group of non-heterocyclic building blocks — the starting materials chemists use to assemble more complex molecules through stepwise reactions. Because its hydrocarbon chain is long while its functional group is single and clearly defined, this compound is frequently used as a model substrate in studies of carbonyl reactivity, as a synthetic intermediate in lipid chemistry, and as a reference compound in gas chromatographic analysis.
The characteristic that makes this material a preferred choice is its molecular symmetry, which simplifies the interpretation of nuclear magnetic resonance spectra and reduces the likelihood of regioisomeric mixtures forming in certain reactions. Its strongly non-polar nature renders the compound practically insoluble in water yet readily soluble in hydrocarbon solvents, ethers, and chloroform, so it is easily purified by recrystallisation or by normal-phase column chromatography. At room temperature, long-chain ketones of this type are generally white, waxy solids that are straightforward to handle and relatively stable when protected from adverse conditions.
In Indonesian laboratories, materials of this type are typically found in university organic synthesis groups, research institute laboratories, and industrial analytical units working on lipid and fatty-derivative chemistry. Its stable solid form suits local logistics and ambient storage conditions, since the material does not demand elaborate handling on receipt. Analytical laboratories commonly draw on well-characterised, symmetrical compounds like this one when establishing chromatographic methods or verifying instrument performance against a predictable reference.
- Carbonyl reactivity studies — the single, centrally placed carbonyl group provides an unambiguous reaction site, letting researchers follow reduction, addition, and condensation behaviour without competing functional groups interfering.
- Lipid synthesis intermediates — the long aliphatic chain closely resembles natural lipid backbones, making the compound a practical starting point for building fatty derivatives and related long-chain target molecules.
- Gas chromatography reference compound — its well-defined structure and predictable non-polar retention behaviour make it useful as a reference marker when calibrating or validating chromatographic separation methods.
- NMR method development and teaching — molecular symmetry sharply reduces the number of distinct signals, giving a clean, easily interpreted spectrum that suits instrument checks and student training exercises alike.
- Purification technique development — its solubility profile in hydrocarbons, ethers, and chloroform makes it a convenient test substrate for developing recrystallisation and normal-phase column chromatography protocols.
| Brand | TCI |
|---|---|
| CAS number | 540-08-9 |
| Molecular formula | — |
| Purity | — |
| Category | Chemistry > Building Blocks > Non-Heterocyclic Building Blocks |
| Pack sizes | available in standard TCI research-scale packaging; please confirm the packaging option required |
| Physical form | white, waxy solid at room temperature (typical of long-chain ketones) |
| Storage | keep in a tightly closed container, protected from moisture and direct sunlight |
Store the container tightly closed in a cool, dry, well-ventilated area away from direct sunlight and sources of heat or ignition. Original manufacturer packaging, or amber glass bottles with chemically resistant closures, is suitable; avoid leaving the solid exposed to humid air during weighing. Handle in a fume hood using gloves, safety glasses, and a laboratory coat, and avoid generating dust when transferring the solid. Return the material to storage promptly after use, label all secondary containers clearly, and consult the manufacturer's safety data sheet before first use.
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