γ-Caprolactone
γ-Caprolactone (CAS: 695-06-7, C6H10O2) is a cyclic ester with a molecular weight of 114.14 g/mol. This lactone is characterised by its herbaceous and sweet organoleptic properties. It serves as a versatile building block in chemical synthesis, particularly within organic chemistry and for the development of bioactive molecules. Available as a Vetec™ reagent grade with a 98% assay, it is suitable for various research and laboratory applications.
- IUPAC
- γ-Ethyl-γ-butyrolactone,gamma-Caprolactone
- Synonyms
- gamma-Caprolactone, γ-Ethyl-γ-butyrolactone

Organic Synthesis Intermediate
γ-Caprolactone is employed as a key intermediate in the synthesis of complex organic molecules. Its lactone structure allows for ring-opening reactions, facilitating the introduction of functional groups in various synthetic pathways.
Development of Bioactive Compounds
This compound serves as a valuable building block in the research and development of novel bioactive molecules. Its structure can be incorporated into larger molecules designed for pharmaceutical or biological applications.
Polymer Chemistry
Lactones, including γ-Caprolactone, can be involved in ring-opening polymerization processes. This can lead to the formation of polyesters with potential applications in materials science.
| Molecular weight | 114.14 |
|---|---|
| Empirical formula | C6H10O2 |
| Assay | 98% |
| Grade | Vetec™ reagent grade |
| Boiling point | 219 °C(lit.) |
| Density | 1.023 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.439(lit.) |

Hazard statements
- H319Causes serious eye irritation
Precautionary statements
- P305IF IN EYES
| Flash point | 98 °C / 208.4 °F |
|---|---|
| Water hazard class (WGK, DE) | 2 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36 |
| Safety statements (S) | 26 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| Organoleptic | herbaceous; sweet |
|---|---|
| Allergen | no known allergens |
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 γ-Caprolactone used for?
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γ-Caprolactone is used as an intermediate in organic synthesis and as a building block for bioactive molecules. It may also find applications in polymer chemistry.
What are the CAS number and molecular formula for γ-Caprolactone?
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The CAS number for γ-Caprolactone is 695-06-7, and its molecular formula is C6H10O2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies γ-Caprolactone in Vetec™ reagent grade with an assay of 98%.
How should γ-Caprolactone be handled safely?
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γ-Caprolactone is a warning substance (GHS07) and causes serious eye irritation (H319). Handle with appropriate personal protective equipment, including eye protection. Ensure good ventilation. In case of contact with eyes, rinse cautiously with water for several minutes.
How is γ-Caprolactone packed and shipped?
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γ-Caprolactone is packed according to industry standards for chemical reagents and is exported globally by Tech Serve Solutions.
How can I request a sample or quote for γ-Caprolactone?
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To request a sample or quote for γ-Caprolactone, please contact our sales team through the website or by phone.
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