4-Hydroxy-3-Methyloctanoic Acid Lactone
Aroma Chemical Heart Note CAS 39212-23-2
A sweet coumarin note with a tonka and coconut character and a soft toasted nutty facet. Celery and natural, it adds a gourmand depth to compositions.
Odor profile
| Note | Heart Note |
| Descriptor 1 | Tobacco-like |
| Descriptor 2 | Woody |
| Descriptor 3 | Lovage |
| Tenacity2 | 59 h |
2 Source: The Good Scents Company
Identification
| CAS Number | 39212-23-2 |
| INCI Name | 3-methyl-gamma-octalactone |
| Category | Aroma Chemical |
| Formula | C9H16O2 |
| Mol. Weight | 156.22 |
| IUPAC Name | 5-butyl-4-methyloxolan-2-one |
| InChIKey | WNVCMFHPRIBNCW-UHFFFAOYSA-N |
Synonyms
5-butyl dihydro-4-methyl furan-2(3H)-one, 5-butyl dihydro-4-methyl-2(3H)-furanone, 5-butyl-4-methyl dihydro-2(3H)-furanone, 5-butyl-4-methyl-3,4,5-trihydrofuran-2-one, 5-butyl-4-methyldihydro-2(3H)-furanone, 5-butyl-4-methyldihydrofuran-2(3H)-one, 5-butyl-4-methyloxolan-2-one, 5-butyldihydro-4-methyl-2(3H)-furanone, 5-butyldihydro-4-methylfuran-2(3H)-one, 2(3H)-furanone, 5-butyldihydro-4-methyl-, hydroxy-3-methyl octanoic acid lactone, 4-hydroxy-3-methyl octanoic acid lactone, 4-hydroxy-3-methyloctanoic acid gamma-lactone, methyl octalactone (PFW), 3-methyl-4-octanolide, beta-methyl-alpha-octalactone, 3-methyl-gamma-octalactone, 3-methyloctano-1,4-lactone, oak lactone, oaklactone, quercus lactone, whiskey lactone, whiskey lactone synthetic, whiskeylactone, gamma-whiskeylactone, whisky lactone
Physical and chemical data
| Boiling Point | 93 °C @ 5 mmHg |
| Flash Point | 101 °C |
| Density | 0.95900 |
| Refractive Index | 1.44100 |
| Vapor Pressure | 0.027000 mmHg @ 25.00 C. (est) |
| LogP | 1.968 |
| Solubility | alcohol; water, 1387 mg/L @ 25 C (est); alcohol, good |
| Appearance | colorless clear liquid |
All figures on this page are guide values collected from public reference works and supplier declarations. They differ between batches, origins and qualities. The data sheet of your own supplier is always the authoritative document for the material you actually use.