Delta Undecalactone
Aroma Chemical Base Note CAS 710-04-3
A creamy lactonic note with a coconut and ripe peach character and a soft fatty facet. Smooth and natural, it adds creamy warmth to vanilla, coconut and gardenia accords.
Odor profile
| Note | Base Note |
| Descriptor 1 | Fruity |
| Descriptor 2 | Peach |
| Descriptor 3 | Creamy |
| Impact Level | Medium |
| Tenacity2 | 400 h |
2 Source: The Good Scents Company
Identification
| CAS Number | 710-04-3 |
| INCI Name | Delta-undecalactone |
| Category | Aroma Chemical |
| Formula | C11H20O2 |
| Mol. Weight | 184.27 |
| IUPAC Name | 6-hexyloxan-2-one |
| InChIKey | YZRXRLLRSPQHDK-UHFFFAOYSA-N |
Synonyms
6-Hexyltetrahydro-2H-pyran-2-one, 6-hexyloxan-2-one, 2H-pyran-2-one, 6-Hexyltetrahydro-, 5-Undecanolide, Undecanoic delta-lactone, Undecanolide-1,5, delta-Undecanolactone, delta-Hexylvalerolactone, .delta.-Hexylvalerolactone, .delta.-Undecalactone, 2H-Pyran-2-one, tetrahydro-3-hexyl-, Delta-Undecalactone, 5-hexyl pentan-5-olide, 6-hexyl tetrahydro-2H-pyran-2-one, delta-hexyl valerolactone, 6-hexyl-3H-4,5,6-trihydropyran-2-one, 5-hexyl-5-hydroxypentanoic acid lactone, 5-N-hexyl-5-hydroxypentanoic acid lactone, delta-hexyl-delta-valerolactone, 6-hexyl-tetrahydro-pyran-2-one, 5-hexylpentan-5-olide, d-hexylvalerolactone, 5-hydroxyundecanoic acid lactone, d-undecalactone, undecalactone delta, delta-undecalactone FCC, delta-undecalactone natural, delta-undecalactone, mixture of isomers, undecano-1,5-lactone, undecanoic acid, 5-hydroxy-, d-lactone, undecanoic d-lactone, (±)-undecanoic delta-lactone, d-undecanolactone
Physical and chemical data
| Boiling Point | 153.5 °C @ 10.5 mmHg |
| Flash Point | 159 °C |
| Density | 0.956 |
| Refractive Index | 1.457 |
| Vapor Pressure | 0.002000 mmHg @ 25.00 C. (est) |
| LogP | 3.1 |
| Solubility | 1 ml in 1 ml 95% alcohol (in ethanol) |
| Appearance | Colorless liquid; [Sigma-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.