Molekula
Whisky lactone
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
Whisky lactone is a naturally occurring organic compound used in fragrance and flavor formulations, contributing a distinctive woody, smoky aroma reminiscent of aged spirits. It is a cyclic ester with the molecular formula C9H16O2 and a molecular weight of 156.22 g/mol. CAS number: 39212-23-2. Stored at ambient temperature. Signal word: Warning. Molekula supplies Whisky lactone from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Example image for illustration only. Other packaging and pack sizes are available.
Pricing & pack sizes
These pack sizes aren't a limit. Molekula manufactures, sources and repacks to order — if you need 500 kg and only see 1 kg listed, . We quote from grams to multi-tonne.
Need a different size? Add the nearest pack and change the size in your basket — we price it at the same rate per unit.
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5 g — £62.10 per pack ex VAT · £74.52 inc. VAT
Need a different quantity or pack?
Tell us how much you need and when — drums, IBCs, sacks or a one-off bulk lot. We'll manufacture or source it and come back with a price.
Prices exclude VAT/sales tax and shipping.
Specifications
| Property | Value |
|---|---|
| Appearance | Colorless or slight yellow liquid |
| Refractive Index | 1.4420 - 1.4480 |
| Odour | note of whisky, coumarin, coconut, wood or nut |
| Specific Gravity | 0.950 - 0.965 |
| Content | ≥98.0% |
| Acid Value (mg KOH/g) | ≤5.0 |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Flash Point | 113 °C |
| Acidity | Neutral |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Boiling Point | 93-94 °C |
| Solubility (other solvents) | Soluble in water to <0.1%; soluble in hexane to >50% |
Source: PubChem CID 62900 (Joint FAO/WHO Expert Committee on Food Additives (JECFA))
Identification
| Property | Value |
|---|---|
| SKU | 10698702 |
| CAS Number | 39212-23-2 |
| IUPAC Name | 5-butyl-4-methyloxolan-2-one |
| EC Number | 254-357-4 |
| Molecular Formula | C9H16O2 |
| Molecular Weight | 156.22 |
| Exact Mass | 156.115 |
| SMILES | CCCCC1C(CC(=O)O1)C |
| InChIKey | WNVCMFHPRIBNCW-UHFFFAOYSA-N |
| InChI | InChI=1S/C9H16O2/c1-3-4-5-8-7(2)6-9(10)11-8/h7-8H,3-6H2,1-2H3 |
| PubChem CID | 62900 |
| REACH Code | Y113 |
| TSCA Listed | Yes |
| HTS Code | 29322050 |
| Tariff Code | 2932209090 |
Safety & GHS
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Health Hazard
GHS07
Hazard statements
- H315 Causes skin irritation
- H319 Causes serious eye irritation
- H335 May cause respiratory irritation
Precautionary statements
- P261 Avoid breathing dust/fume/gas/mist/vapours/spray
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P302+352 IF ON SKIN: Wash with soap and water
- P304+341 IF INHALED: If breathing is difficult, remove victim to fresh air and keep at rest in a position comfortable for breathing
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
- P501 Dispose of contents/container to an approved waste disposal plant
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, Spanish.
Certificate of Analysis (CoA) by batch
Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.
Synonyms
- 3-Methyl-4-octanolide
- 4-Hydroxy-3-methyloctanoic acid lactone
- 5-Butyl-4-methyldihydro-2(3H)-furanone
- 5-butyl-4-methyloxolan-2-one
- beta-Methyl-gamma-octalactone
- FEMA No. 3803
- Methyloctalactone
- Oaklactone
- Quercuslactone a
- Whiskey lactone
Frequently asked questions
What is Whisky lactone used for?
Whisky lactone is primarily used in the fragrance and flavor industry to impart a woody, coconut-like aroma, commonly found in whisky and other alcoholic beverages.
What is the chemical formula and molecular weight of Whisky lactone?
The chemical formula is C9H16O2 and the molecular weight is 156.22 g/mol.
How should Whisky lactone be stored?
Whisky lactone should be stored at ambient temperature, protected from moisture and direct sunlight.
What grade of Whisky lactone does Molekula supply?
Molekula supplies Whisky lactone in technical grade, suitable for industrial and research applications.
Can Molekula supply Whisky lactone in bulk?
Yes, Molekula can supply Whisky lactone in bulk quantities—please contact our sales team for pricing and availability.
What documentation comes with a Whisky lactone order?
Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS), compliant with GHS standards.
Ready to order or need a custom pack?
Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.