costus valerolactone
costaulon (PFW)
Identification
| Name | costus valerolactone |
| IUPAC | 5-butyl-5-ethyloxan-2-one |
| CAS Number | 67770-79-0 |
| EINECS | 267-048-4 |
| FDA UNII | EZ42EBM554 |
| Molecular Formula | C11 H20 O2 |
| Molecular Weight | 184.27880000 |
| Nikkaji Number | J317.108F |
Regulatory
Physical Properties
| Appearance | colorless to pale yellow clear liquid (est) |
| Assay | 97.00 to 100.00 |
| Food Chemicals Codex Listed | No |
| Boiling Point | 125.00 to 130.00 °C. @ 5.00 mm Hg, 289.00 to 291.00 °C. @ 760.00 mm Hg |
| Vapor Pressure | 3.890000 mmHg @ 25.00 °C. |
| Flash Point | 212.00 °F. TCC ( 100.00 °C. ) |
| logP (o/w) | 2.849 (est) |
| Soluble in | alcohol |
| Insoluble in | water |
Cosmetic Information
| CosIng | cosmetic data |
| Cosmetic Uses | perfuming agents |
Organoleptic Properties
| Odor Strength | medium , |
| Substantivity | 400 hour(s) at 100.00 % |
| Odor Description | at 10.00 % in dipropylene glycol. |
| Odor sample from | PFW Aroma Chemicals |
Safety Information
| European information | Most important hazard(s): |
| Oral/Parenteral Toxicity | oral-rat LD50 > 5000 mg/kg |
| Dermal Toxicity | skin-rabbit LD50 > 5000 mg/kg |
| Inhalation Toxicity | Not determined |
GHS Classification
['GHS Classification in accordance with 29 CFR 1910 (OSHA HCS)', 'GHS Label elements, including precautionary statements']
Safety in Use
| Category | fragrance agents |
| RIFM Fragrance Material Safety Assessment | Search |
| Recommendation for costus valerolactone usage levels up to | 4.0000 % in the fragrance concentrate. |
| Recommendation for costus valerolactone flavor usage levels up to | not for flavor use. |
The John D. Walsh Company, Inc
Suppliers Since 1942
Supplying the fragrance and flavor industry with high quality products.
Potential Uses
Natural Occurrence
Synonyms
5-
butyl-5-ethyl tetrahydro-2H-pyran-2-one
5-
butyl-5-ethyloxan-2-one
5-
butyl-5-ethyltetrahydro-2H-pyran-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
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