2,2-Dimethylcyclopentanone
2,2-Dimethylcyclopentanone (CAS 4541-32-6) is an organic chemical compound with the molecular formula C7H12O and a molecular weight of 112.17 g/mol. This cyclic ketone serves as a versatile building block in organic synthesis and chemical research. Its characteristic carbonyl group allows for various chemical transformations, making it a valuable intermediate in the development of more complex molecules for diverse industrial applications. Supplied by TSS, it is available at a 96% assay.
- Synonyms
- (CH3)2C5H6(=O)

Organic Synthesis Intermediate
2,2-Dimethylcyclopentanone is a key intermediate in the synthesis of various organic compounds. Its cyclic structure and reactive ketone functionality make it suitable for reactions like alkylation, condensation, and reduction, facilitating the construction of complex molecular architectures.
Research and Development
Utilized in academic and industrial research laboratories for exploring new synthetic pathways and developing novel chemical entities. Its specific structure provides a useful starting point for creating specialized molecules.
Building Block for Specialty Chemicals
Serves as a fundamental building block for the production of specialty chemicals. The compound's reactivity allows for its incorporation into larger molecules with tailored properties for specific industrial uses.
| Molecular weight | 112.17 |
|---|---|
| Linear formula | (CH3)2C5H6(=O) |
| Assay | 96% |
| Boiling point | 143-145 °C(lit.) |
| Density | 0.894 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.433(lit.) |

Hazard statements
- H226Flammable liquid and vapour
| Protective equipment | Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 33 °C / 91.4 °F |
| Transport (UN / ADR) | UN 1224C 3 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Risk statements (R) | 10 |
| Safety statements (S) | 16-29-33 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is 2,2-Dimethylcyclopentanone used for?
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2,2-Dimethylcyclopentanone is primarily used as a building block and intermediate in organic synthesis and chemical research for developing more complex molecules.
What is the CAS number and chemical formula for 2,2-Dimethylcyclopentanone?
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The CAS number is 4541-32-6 and the chemical formula is (CH3)2C5H6(=O).
What grade and purity does Tech Serve Solutions supply for 2,2-Dimethylcyclopentanone?
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Tech Serve Solutions supplies 2,2-Dimethylcyclopentanone with an assay of 96%. This product is supplied for research and development purposes and TSS does not represent it as USP, BP, or EP grade.
How should 2,2-Dimethylcyclopentanone be handled safely?
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2,2-Dimethylcyclopentanone is a flammable liquid and vapour (H226). Handle with appropriate personal protective equipment, including eyeshields, gloves, and suitable respiratory protection, in a well-ventilated area. Keep away from heat, hot surfaces, sparks, open flames, and other ignition sources.
How is 2,2-Dimethylcyclopentanone packed and shipped?
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2,2-Dimethylcyclopentanone is classified under UN 1224, Class 3, Packing Group III. Shipments are handled according to relevant transportation regulations for flammable liquids.
How can I request a quote or sample of 2,2-Dimethylcyclopentanone?
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To request a quote or sample of 2,2-Dimethylcyclopentanone, please contact the TSS sales team through our website or by phone, providing your specific requirements.
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