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Description
TCI D1282 3,5-Dimethylcyclohexanone (mixture of isomers) is a cyclic ketone bearing two methyl groups placed symmetrically at the 3 and 5 positions of the cyclohexanone ring, supplied as a mixture of isomers. As a non-heterocyclic building block, this compound is widely used as a starting scaffold in multi-step organic synthesis, particularly when researchers require a reactive carbonyl group that nevertheless sits within a well-defined steric environment. The symmetrical arrangement gives it a practical advantage, because it reduces the number of isomeric products that may form in several types of functional group transformation reactions.
The symmetry at the 3 and 5 positions makes both sides of the ring relatively equivalent with respect to the carbonyl, so the resulting NMR spectra are simpler and easier to interpret than those of unsymmetrical isomers. This characteristic is a considerable help when researchers need to confirm the success of a reaction quickly through routine spectroscopic analysis. In addition, the methyl positions remain far from the carbonyl, keeping the reactivity of the ketone group high toward nucleophilic reagents, hydride reducing agents, and enolate-forming reagents alike. Its liquid form also makes measuring and transfer straightforward.
In Indonesian laboratories, this material is typically handled in university research groups, chemistry departments, and industrial R&D units that carry out stepwise organic synthesis. The liquid form makes volumetric measurement and transfer by syringe or pipette convenient for small-scale reaction work, while the straightforward spectroscopic profile suits laboratories that rely on routine NMR checks for reaction monitoring. It is commonly kept alongside other non-heterocyclic building blocks in a general organic synthesis stock.
Laboratory Applications
Multi-step organic synthesis — serves as an initial scaffold that can be elaborated across successive steps, giving a reactive carbonyl within a defined steric environment for planned sequences.
Functional group transformation studies — the symmetrical 3,5-substitution reduces the number of possible isomeric products, simplifying purification and making transformation outcomes more predictable for the chemist.
Nucleophilic addition chemistry — the methyl groups sit far from the carbonyl, so the ketone retains high reactivity toward nucleophilic reagents used in carbon–carbon bond formation.
Hydride reduction work — the accessible ketone group reacts readily with hydride reducing agents, making the compound a convenient substrate for reduction methodology and student training experiments.
Enolate chemistry and alkylation — the carbonyl responds well to enolate-forming reagents, and the symmetric ring keeps the resulting enolate chemistry comparatively clean and interpretable.
Specifications
Brand: TCI
CAS number: 2320-30-1
Catalogue reference: D1282
Category: Chemistry > Building Blocks > Non-Heterocyclic Building Blocks
Physical form: liquid
Pack sizes: please refer to the available packaging options for this catalogue item
Storage: keep tightly closed in a cool, well-ventilated place away from ignition sources
Handling and Storage
Store the container tightly closed in a cool, dry, well-ventilated area, away from heat, open flames, and other ignition sources. Original manufacturer bottles or compatible tightly sealed glass containers are suitable; keep caps secure to limit evaporation and moisture uptake, since the material is a liquid. Handle inside a fume hood, and wear safety goggles, a laboratory coat, and chemically resistant gloves during measuring and transfer. Avoid inhalation of vapours and direct skin contact. Label all working aliquots clearly, keep the compound separate from strong oxidising agents, and dispose of residues and contaminated materials through your institution's chemical waste procedures. Always consult the manufacturer's safety data sheet before use.
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