Ambrettolide
Aroma Chemical Base Note CAS 28645-51-4
A soft sweet ambrette musk with a delicate animalic warmth. Radiant and rounding, it works as an excellent blender and fixative used in small traces.
Odor profile
| Note | Base Note |
| Descriptor 1 | Musk-like |
| Descriptor 2 | Sweet |
| Descriptor 3 | Berry |
| Odor Impact1 | 30 |
| Tenacity1 | 450 h |
| Tenacity2 | 248 h |
1 Source: PerfumersWorld
2 Source: The Good Scents Company
Both tenacity figures are blotter life. The two labs use different evaluation protocols, so the numbers are not directly comparable — read them as two independent readings, not as a contradiction.
Identification
| CAS Number | 28645-51-4 |
| INCI Name | Oxacycloheptadec-10-en-2-one |
| Category | Aroma Chemical |
| Formula | C16H28O2 |
| Mol. Weight | 252.39 |
| IUPAC Name | (10Z)-1-oxacycloheptadec-10-en-2-one |
| InChIKey | QILMAYXCYBTEDM-IWQZZHSRSA-N |
Synonyms
Oxacycloheptadec-10-Ene-2-One, iso-Ambrettolide, omega-Hexadec-7-enolide, 6-Hexadecanolide Cyclohexadecan-7-olide, Hexadec-7-en-16-lactone, Moskus Lakton, Oxacycloheptadec-10-en-2-one Moskus lakton, 16-Hydroxy-delta 7-hexadecenoic acid, lactone, Cyclohexadecen-7-olide, delta-9-iso ambrettolic acid lactone, iso ambrettolide, ambrettolide (so called), ambrettozone, oxa cyclo heptadec-10-en-2-one, (10Z)-oxa cycloheptadec-10-en-2-one, oxa cycloheptadec-10-en-2-one, (9Z)-17-oxa cycloheptadec-9-en-1-one, hexadec-9-en-1,16 lactone, 16-hydroxy-9-hexadecenoic acid omega-lactone, lanbrettolide, moschus lactone, scentolide
Physical and chemical data
| Boiling Point | 307.5 °C |
| Flash Point | >100 °C |
| Density | 0.949 |
| Refractive Index | 1.477 |
| LogP | 5.5 |
| Solubility | Soluble in non-polar solvents; insoluble in water |
| Appearance | CBI |
Regulatory status
EU allergen declaration
| Substance | Share |
|---|---|
| Oxacycloheptadecan-2-one | 2 % |
Substances that must be named in the ingredient list under Annex III of Regulation (EC) 1223/2009, as amended by Regulation (EU) 2023/1545. Where a range was given, the upper bound is shown.
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.