Oxacyclotridecan-2-one
Oxacyclotridecan-2-one (CAS: 947-05-7; C12H22O2) is a cyclic ester, specifically a lactone, with a molecular weight of 198.30 g/mol. This compound serves as a valuable building block in organic synthesis. Its well-defined structure and reactivity make it suitable for various chemical transformations and research applications within the chemical and pharmaceutical industries. Available from TSS with an assay of 98%.

Organic Synthesis Intermediate
Oxacyclotridecan-2-one is employed as a key intermediate in the synthesis of more complex organic molecules. Its lactone functionality allows for various ring-opening and derivatization reactions.
Chemical Research
This compound is utilised in academic and industrial research settings for the exploration of new synthetic pathways and the development of novel chemical entities.
Building Block for Complex Structures
As a cyclic ester, it provides a versatile structural motif that can be incorporated into larger molecular frameworks, finding use in materials science and medicinal chemistry research.
| Molecular weight | 198.30 |
|---|---|
| Empirical formula | C12H22O2 |
| Assay | 98% |
| Boiling point | 150-151 °C/23 mmHg(lit.) |
| Density | 0.981 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.472(lit.) |
| Melting point | 2-3 °C(lit.) |

Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | Eyeshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 113 °C / 235.4 °F |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26-37/39 |
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 Oxacyclotridecan-2-one used for?
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Oxacyclotridecan-2-one is primarily used as a building block in organic synthesis and for chemical research applications.
What are the CAS number and molecular formula for Oxacyclotridecan-2-one?
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The CAS number is 947-05-7 and the molecular formula is C12H22O2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Oxacyclotridecan-2-one with an assay of 98%. TSS does not represent this product as USP, BP, EP, or other pharmacopoeial grades.
What are the safety and handling recommendations for Oxacyclotridecan-2-one?
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This compound carries a Warning signal word with hazard statements H315 (Causes skin irritation), H319 (Causes serious eye irritation), and H335 (May cause respiratory irritation). Appropriate personal protective equipment includes eyeshields, gloves, and a suitable respirator. Handle in a well-ventilated area and avoid contact with skin, eyes, and clothing.
How is Oxacyclotridecan-2-one packed, shipped, and exported?
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Tech Serve Solutions offers Oxacyclotridecan-2-one in various packaging sizes suitable for research and industrial quantities. We are a global supplier and exporter, adhering to all relevant shipping regulations for chemical compounds.
How can I request a quote or sample for Oxacyclotridecan-2-one?
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To request a quote or sample, please contact our sales team through the TSS website or by phone, providing the product name and CAS number (947-05-7).
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