5-Decanolide
5-Decanolide (CAS: 705-86-2), with the molecular formula C10H18O2, is a lactone compound with a distinct organoleptic profile. It is characterised by notes of apricot, butter, coconut, creamy, fatty, peach, plum, sweet, and wine-like. This versatile chemical finds application as a building block in organic synthesis and is recognised for its role in cell biology research. Tech Serve Solutions supplies this compound for various laboratory and chemical synthesis needs.
- IUPAC
- δ-Decanolactone,(±)-δ-Pentyl-δ-valerolactone,(±)-5-Decanolide,(±)-6-Pentyltetrahydro-2H-pyran-2-one,5-Hydroxydecanoic acid δ-lactone

Organic Synthesis Building Block
5-Decanolide serves as a valuable intermediate in the synthesis of more complex organic molecules. Its lactone structure offers reactive sites for various chemical transformations.
Cell Biology Research
As a bioactive small molecule, 5-Decanolide is utilised in cell biology studies. Its specific biological activity warrants its use in research exploring cellular processes and functions.
Flavor and Fragrance Intermediate
The characteristic organoleptic properties of 5-Decanolide suggest its potential use as an intermediate in the flavour and fragrance industry, contributing to desirable aroma profiles.
| Molecular weight | 170.25 |
|---|---|
| Empirical formula | C10H18O2 |
| Assay | ≥98% |
| Boiling point | 117-120 °C/0.02 mmHg(lit.) |
| Density | 0.954 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.458(lit.) |
| Melting point | −27 °C(lit.) |
| Protective equipment | Eyeshields, Gloves |
|---|---|
| Flash point | >113 °C / >235.4 °F |
| Water hazard class (WGK, DE) | 1 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| Gene Information | human ... CYP1A2(1544) |
|---|---|
| Organoleptic | apricot; butter; coconut; creamy; fatty; peach; plum; sweet; sweet; wine-like |
| 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 5-Decanolide used for?
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5-Decanolide is used as a building block in organic synthesis and in cell biology research. It also possesses organoleptic properties that suggest potential applications as a flavour and fragrance intermediate.
What is the CAS number and formula for 5-Decanolide?
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The CAS number for 5-Decanolide is 705-86-2, and its molecular formula is C10H18O2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 5-Decanolide with an assay of ≥98%. This is a research-grade chemical and is not represented as USP, BP, or EP grade.
What are the safety and handling recommendations for 5-Decanolide?
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When handling 5-Decanolide, it is recommended to wear Eyeshields and Gloves. It has a high flash point (>113 °C) and is classified under WGK Germany 1. Refer to the safety data sheet for comprehensive handling information.
How is 5-Decanolide packed, shipped, and exported?
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Tech Serve Solutions packs, ships, and exports 5-Decanolide in compliance with all relevant regulations to ensure safe and secure delivery to our global clientele.
How can I request a sample or quote for 5-Decanolide?
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To request a sample or quote for 5-Decanolide, please contact our sales team through the website or by calling us directly.
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