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| IUPAC name : | 5-butyl-4-methyloxolan-2-one |
| InChI : | InChI=1/C9H16O2/c1-3-4-5-8-7(2)6-9(10)11-8/h7-8H,3-6H2,1-2H3 |
| InChIKey : | WNVCMFHPRIBNCW-UHFFFAOYAN |
| SMILES : | CCCCC1C(CC(=O)O1)C |
| cas number : | 39212-23-2 |
| (EINECS) number : | 254-357-4 |
| fema number : | 3803 |
| coe number : | 10535 |
| jecfa number : | 437 |
| fl. number : | 10.053 |
| molar refractivity : | 43.48 ± 0.3 cm3 |
| parachor : | 382.3 ± 6.0 cm3 |
| index of refraction : | 1.434 ± 0.02 |
| surface tension : | 27.5 ± 3.0 dyne/cm |
| density : | 0.936 ± 0.06 g/cm3 |
| polarizability : | 17.23 ± 0.5 10-24cm3 |
| XlogP : | 2.50 |
| molecular weight : | 156.2221400 |
| formula : | C9 H16 O2 |
| NMR Predictor : | Predict |
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| export tariff code : | 2932.29.6000 |
| fda reg : | unspecified |
Suppliers :
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| Advanced Biotech : | whiskey lactone
98% min. (mixed isomers) synthetic Odor: Harsh woody maple |
| Fontarome : | WHISKEY LACTONE
Odor: Warm cocoa, wine-like, maple effect of excellent tenacity |
| John D. Walsh : | Methyl Octalactone
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| Penta : | whiskey lactone
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| PFW : | METHYL OCTALACTONE™
≥96% (sum of isomers) Odor: has an intense sweet odour, reminiscent of coumarin and maple. |
| Sigma-Aldrich-SAFC : | Whiskey lactone
≥98% Odor: coconut; green |
organoleptics :
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| odor type : | tonka |
| odor strength : | medium , recommend smelling in a 10.00 % solution or less |
odor description :¹ at 10.00 % in dipropylene glycol. | tonka coumarin coconut toasted nutty celery burnt |
| substantivity : | 59 hour(s) at 100.00 % |
properties :
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| appearence : | colorless clear liquid |
| assay : | 98.00 to 100.00 % sum of isomers
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| Food Chemicals Codex Listed : | No |
| specific gravity : | 0.95900 to 0.96700 @ 20.00 °C.
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| pounds per gallon - calc. : | 7.989 to 8.056
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| refractive index : | 1.44100 to 1.44700 @ 20.00 °C.
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| boiling point : | 93.00 to 94.00 °C. @ 5.00 mm Hg
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| flash point : | > 212.00 °F. TCC ( > 100.00 °C. )
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| logP (o/w) : | 1.81 |
safety :
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| most important hazard(s) : | Xi - Irritant |
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R 36/38 - Irritating to skin and eyes. S 02 - Keep out of the reach of children. S 24/25 - Avoid contact with skin and eyes. S 26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S 37/39 - Wear suitable gloves and eye/face protection.
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| Oral Toxicity(LD50) : |
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Not determined
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| Dermal Toxicity(LD50) : |
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Not determined
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| Inhalation Toxicity(LC50) : |
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Not determined
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safety in use :
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| Maximised Survey-derived Daily Intakes (MSDI-EU) : | ND (μg/capita/day) |
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| recommendation for whiskey lactone usage levels up to : |
| | 5.0000 % in the fragrance concentrate.
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safety references :
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| European Food Safety Athority(efsa) : | Flavor usage levels; Subacute, Subchronic, Chronic and Carcinogenicity Studies; Developmental / Reproductive Toxicity Studies; Genotoxicity Studies... |
| EPI System : | view |
| Canada Domestic Sub. List : | Yes |
| EPA Chem. Sub. Inventory : | Yes |
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| WGK Germany : | 2 |
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| | 5-butyl-4-methyloxolan-2-one
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| (EINECS) number : | 254-357-4 |
| chemidplus : | 039212232 |
| EPA Substance Registry Services : | 39212-23-2 |
references :
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| | 5-butyl-4-methyloxolan-2-one
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| fl. number : | 10.053 |
| jecfa number : | 437 |
| NIST Chemistry WebBook : | 1859732176 |
| pubchem : | 205086 |
Cosmetics :
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| Cosmetic uses : |
perfuming agents
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other :
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| reference : | Luebke, William tgsc, (2007)¹ |
| CosIng : | cosmetic data |
| VCF-Online: | VCF Volatile Compounds in Food |