2-Cyclohepten-1-one
2-Cyclohepten-1-one (CAS: 1121-66-0, C7H10(=O)) is a versatile cyclic ketone with a molecular weight of 110.15 g/mol. It serves as a valuable building block in organic synthesis, particularly within the C7 to C8 carbon range. This compound finds applications in the creation of more complex molecules, contributing to advancements in chemical research and development.

Organic Synthesis Intermediate
2-Cyclohepten-1-one is widely used as an intermediate in the synthesis of diverse organic compounds. Its carbonyl functionality and cyclic structure allow for various chemical transformations, making it a key component in multi-step synthetic routes.
Research and Development
This chemical is employed in academic and industrial research laboratories for exploring new chemical pathways and developing novel compounds. Its utility spans the development of pharmaceuticals, agrochemicals, and specialty materials.
Building Block for Complex Molecules
As a member of the C7 to C8 carbon class and categorized under ketones and carbonyl compounds, 2-Cyclohepten-1-one acts as a foundational unit for constructing larger, more intricate molecular architectures.
| Molecular weight | 110.15 |
|---|---|
| Linear formula | C7H10(=O) |
| Assay | 80% |
| Grade | technical grade |
| Density | 0.988 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.494(lit.) |
| Storage temperature | 2-8°C |

Hazard statements
- H302Harmful if swallowed
- H319Causes serious eye irritation
Precautionary statements
- P305IF IN EYES
| Protective equipment | Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 68 °C / 154.4 °F |
| Transport (UN / ADR) | NA 1993 / PGIII |
| Water hazard class (WGK, DE) | 1 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 22 |
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-Cyclohepten-1-one used for?
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2-Cyclohepten-1-one is primarily used as a building block and intermediate in organic synthesis and chemical research and development for creating more complex molecules.
What are the CAS number and formula for 2-Cyclohepten-1-one?
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The CAS number for 2-Cyclohepten-1-one is 1121-66-0, and its molecular formula is C7H10(=O).
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 2-Cyclohepten-1-one in technical grade with an assay of 80%. We do not represent this product as USP, BP, or EP grade.
How should 2-Cyclohepten-1-one be handled safely?
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2-Cyclohepten-1-one is classified as harmful if swallowed (H302) and causes serious eye irritation (H319). It requires appropriate personal protective equipment, including eyeshields, gloves, and suitable respiratory protection, along with storage at 2-8°C.
How is 2-Cyclohepten-1-one packed, shipped, and exported?
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2-Cyclohepten-1-one is packed and shipped in compliance with relevant regulations for chemical substances. As a global supplier and exporter, Tech Serve Solutions handles international shipments of this product.
How can I request a sample or quote for 2-Cyclohepten-1-one?
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To request a sample or a quote for 2-Cyclohepten-1-one, please contact our sales department through the channels provided on the Tech Serve Solutions website.
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