Gamma Heptalactone
Aroma Chemical Base Note CAS 105-21-5
A sweet creamy lactonic note with a coconut and tonka character and a soft caramel facet. Rich and natural, it brings creamy facets to vanilla, coconut and gardenia accords.
Odor profile
| Note | Base Note |
| Descriptor 1 | Fruity |
| Descriptor 2 | Peach |
| Descriptor 3 | Coconut |
| Tenacity2 | 400 h |
2 Source: The Good Scents Company
Identification
| CAS Number | 105-21-5 |
| INCI Name | Gamma-heptalactone |
| Category | Aroma Chemical |
| Formula | C7H12O2 |
| Mol. Weight | 128.17 |
| IUPAC Name | 5-propyloxolan-2-one |
| InChIKey | VLSVVMPLPMNWBH-UHFFFAOYSA-N |
Synonyms
4-Heptanolide, 5-propyloxolan-2-one, gamma-Heptanolactone, 2(3H)-Furanone, dihydro-5-propyl-, Heptan-4-olide, 1,4-Heptanolide, Heptanolide-4,1, gamma-Propiobutyrolactone, gamma-Propyl-gamma-butyrolactone, gamma-Heptalactone, 4-Hydroxyheptanoic acid, gamma-lactone, dihydro-5-propyl-2(3H)-furanone, gamma-eptalactone, furan-2-one, dihydro-5-propyl-, gamma-hepta lactone, gamma-heptalactone FCC, heptalactone gamma, gamma-heptalactone natural, heptano-1,4-lactone, (±)-4-heptanolide, 4-hydroxyheptanoic acid gamma-lactone, 4-hydroxyheptanoic acid lactone, 4-propyl butan-4-olide, 5-propyl-2-oxolanone, 4-propyl-4-hydroxybutanoic acid lactone, 4-N-propyl-4-hydroxybutanoic acid lactone, 5-propyl-dihydro-furan-2-one, 4-propylbutan-4-olide, 5-propyldihydrofuran-2(3H)-one
Physical and chemical data
| Boiling Point | 61 °C @ 2 mmHg |
| Flash Point | 105 °C |
| Density | 0.997 |
| Refractive Index | 1.439 |
| Vapor Pressure | 0.083000 mmHg @ 25.00 C. (est) |
| LogP | 1.1 |
| Solubility | miscible with alcohol and most fixed oils |
| Appearance | Colorless liquid; [Aldrich MSDS] |
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.