Physeol
Aroma Chemical Base Note CAS 68845-00-1
An elegant woody powdery note with warm ambery and orris facets. It adds volume to woody vetiver accords with a subtle leathery warmth and a soft tobacco nuance.
Odor profile
| Note | Base Note |
| Descriptor 1 | Woody |
| Descriptor 2 | Warm |
| Descriptor 3 | Amber |
| Odor Impact1 | 100 |
| Impact Level | Medium |
| Tenacity1 | 96 h |
| Tenacity2 | 96 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 | 68845-00-1 |
| INCI Name | 2-ethoxy-2,6,6-trimethyl-9-methylenebicyclo[3.3.1]nonane |
| Category | Aroma Chemical |
| Formula | C15H26O |
| Mol. Weight | 222.37 |
| IUPAC Name | 2-ethoxy-2,6,6-trimethyl-9-methylidenebicyclo[3.3.1]nonane |
| InChIKey | LUNAXRIJWWBQTE-UHFFFAOYSA-N |
Synonyms
2-ethoxy-2,6,6-trimethyl-9-methylenebicyclo[3.3.1]nonane, boisiris, ethoxy-4,8,8-trimethyl-9-methylidenebicyclo[3.3.1]nonane, ethoxy-9-methylene-2,6,6-trimethyl bicyclo(3.3.1)nonane, ethoxy-2,6,6-trimethyl-9-methylene bicyclo(3.3.1)nonane, bicyclo(3.3.1)nonane, 2-ethoxy-2,6,6-trimethyl-9-methylene-, bicyclo[3.3.1]nonane, 2-ethoxy-2,6,6-trimethyl-9-methylene-, boisiris (Givaudan), 2-ethoxy-2,6,6-trimethyl-9-methylene bicyclo(3.3.1)nonane, 2-ethoxy-2,6,6-trimethyl-9-methylenebicyclo(3.3.1)nonane, 4-ethoxy-4,8,8-trimethyl-9-methylidenebicyclo[3.3.1]nonane, 2-ethoxy-9-methylene-2,6,6-trimethyl bicyclo(3.3.1)nonane, 2-ethoxy-9-methylene-2,6,6-trimethyl-bicyclo[3.3.1]nonane, 2-ethoxy-9-methylene-2,6,6-trimethylbicyclo(3.3.1)nonane, ethyl 2,6,6-trimethyl-9-methylenebicyclo[3.3.1]non-2-yl ether, iris-OA, physeol (Firmenich), woodiris (Tadimety)
Physical and chemical data
| Boiling Point | 267.00 °C |
| Flash Point | 100.00 °C |
| Density | 0.928 to 0.933 |
| Refractive Index | 1.481 to 1.486 |
| Vapor Pressure | 0.014000 mmHg @ 25.00 C. (est) |
| LogP | 3.6 |
| Solubility | alcohol; water, 0.7633 mg/L @ 25 C (est); alcoholic - good |
| Appearance | colorless to pale yellow 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.