2,3-Dimethyl-2-cyclopenten-1-one
2,3-Dimethyl-2-cyclopenten-1-one (CAS: 1121-05-7) is a valuable organic compound with the molecular formula C7H10O and a molecular weight of 110.15 g/mol. This ketone functions as a versatile building block in chemical synthesis, particularly within organic chemistry. Its characteristic structure makes it suitable for a variety of reactions, contributing to the development of more complex molecular architectures.
- Synonyms
- (CH3)2C5H4(=O)

Organic Synthesis Intermediate
Utilised as a key intermediate in the synthesis of various organic compounds, leveraging its reactive carbonyl group and cyclopentenone structure.
Chemical Research and Development
Serves as a valuable reagent in academic and industrial research laboratories for exploring new synthetic pathways and developing novel molecules.
Building Block for Complex Molecules
Its distinct structure allows for its incorporation into larger, more intricate organic structures, acting as a foundational element in multi-step syntheses.
| Molecular weight | 110.15 |
|---|---|
| Linear formula | (CH3)2C5H4(=O) |
| Assay | 99% |
| Boiling point | 80 °C/10 mmHg(lit.) |
| Density | 0.968 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.49(lit.) |
| Protective equipment | Eyeshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 72 °C / 161.6 °F |
| Transport (UN / ADR) | NA 1993 / PGIII |
| Water hazard class (WGK, DE) | 3 |
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 2,3-Dimethyl-2-cyclopenten-1-one used for?
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2,3-Dimethyl-2-cyclopenten-1-one is primarily used as a building block and intermediate in organic synthesis and chemical research and development.
What is the CAS number and formula for 2,3-Dimethyl-2-cyclopenten-1-one?
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The CAS number for 2,3-Dimethyl-2-cyclopenten-1-one is 1121-05-7, and its molecular formula is C7H10O.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 2,3-Dimethyl-2-cyclopenten-1-one with a purity of 99%. This is a technical/research grade, and TSS does not represent it as USP, BP, or EP.
What are the safety and handling considerations for 2,3-Dimethyl-2-cyclopenten-1-one?
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2,3-Dimethyl-2-cyclopenten-1-one is combustible with a flash point of 72°C (161.6°F). It requires appropriate personal protective equipment, including eyeshields and gloves, and adequate ventilation. Refer to the Safety Data Sheet for comprehensive handling information.
How is 2,3-Dimethyl-2-cyclopenten-1-one packed and shipped by TSS?
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As a global supplier, Tech Serve Solutions exports 2,3-Dimethyl-2-cyclopenten-1-one worldwide, adhering to all necessary regulations for safe and secure packaging and transportation.
How can I request a sample or quote for 2,3-Dimethyl-2-cyclopenten-1-one?
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To request a sample or a quotation for 2,3-Dimethyl-2-cyclopenten-1-one, please contact our sales team through the website or by phone.
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