5-Butyl-5-Ethyltetrahydro-2H-Pyran-2-One
Aroma Chemical Base Note CAS 67770-79-0
A warm fatty note with an animalic costus character and a soft coconut facet. Rooty and natural, it adds a creamy animalic depth to compositions.
Odor profile
| Note | Base Note |
| Descriptor 1 | Herbal |
| Descriptor 2 | Warm |
| Descriptor 3 | Animal-like |
| Tenacity2 | 400 h |
2 Source: The Good Scents Company
Identification
| CAS Number | 67770-79-0 |
| INCI Name | Ethyl butyl valerolactone |
| Category | Aroma Chemical |
| Formula | C11H20O2 |
| Mol. Weight | 184.27 |
| IUPAC Name | 5-butyl-5-ethyloxan-2-one |
| InChIKey | BACWTVIXOCGZHC-UHFFFAOYSA-N |
Synonyms
5-butyl-5-ethyl tetrahydro-2H-pyran-2-one, 5-butyl-5-ethyloxan-2-one, costaulon (PFW), costausol (PFW), costus valerolactone, ethyl butyl valerolactone, 4-ethyl-4-butyl-d-valerolactone, 4-ethyl-4-butyl-delta-valerolactone, 2H-pyran-2-one, 5-butyl-5-ethyltetrahydro-, 2H-pyran-2-one, tetrahydro-5-(n-butyl)-5-ethyl-, rootylone
Physical and chemical data
| Boiling Point | 290 °C |
| Flash Point | 100.00 °C |
| Vapor Pressure | 3.890000 mmHg @ 25.00 C. |
| LogP | 2.849 |
| Solubility | alcohol; carbitol; dipropylene glycol |
| 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.