Kephalis
Aroma Chemical Heart Note CAS 36306-87-3
Warm woody amber with a vetiver, leathery and suede character and a soft spicy, tobacco edge. Tenacious from top to base, it adds richness to masculine woody and leather accords.
Odor profile
| Note | Heart Note |
| Descriptor 1 | Woody |
| Descriptor 2 | Amber |
| Descriptor 3 | Tobacco |
| Odor Impact1 | 80 |
| Impact Level | Medium |
| Tenacity1 | 120 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 | 36306-87-3 |
| INCI Name | Kephalis |
| Category | Aroma Chemical |
| Formula | C14H24O2 |
| Mol. Weight | 224.34 |
| IUPAC Name | 4-(1-ethoxyethenyl)-3,3,5,5-tetramethylcyclohexan-1-one |
| InChIKey | YLNYLLVKHRZLGO-UHFFFAOYSA-N |
Synonyms
3,3,5,5-Tetramethyl-4-ethoxyvinylcyclohexanone, 3,3,5,5-Tetramethyl-4-(1-ethoxyvinyl)cyclohexanone, 4-(1-Ethoxyvinyl)-3,3,5,5-tetramethylcyclohexanone, cyclohexanone, 4-(1-ethoxyethenyl)-3,3,5,5-tetramethyl-, 4-(1-ethoxyethenyl)-3,3,5,5-tetramethylcyclohexan-1-one, 4-(1-ethoxyethenyl)-3,3,5,5-tetramethylcyclohexanone, 4-(1-ethoxyvinyl)-3,3,5,5-tetramethyl cyclohexanone, 3,3,5,5-etramethyl-4-ethoxyvinylcyclohexanone, kephalan, kephalis (Givaudan), kephalor, tetrambrone (A.C.S. International), 3,3,5,5-tetramethyl-4-(1-ethoxyvinyl) cyclohexanone, 3,3,5,5-tetramethyl-4-(1-ethoxyvinyl)-1-cyclohexanone, 3,3,5,5-tetramethyl-4-ethoxyvinyl cyclohexanone, woody cyclohexanone
Physical and chemical data
| Boiling Point | 286.10 °C |
| Flash Point | 127.22 °C |
| Density | 0.942 to 0.952 |
| Refractive Index | 1.472 to 1.478 |
| Vapor Pressure | 0.003000 mmHg @ 25.00 C. (est) |
| LogP | 3.1 |
| Solubility | alcohol; water, 261 mg/L @ 20 C (exp); alcoholic - good |
| Appearance | 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.