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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 |
| (EINECS) number : | 254-357-4 |
| cas number : | 39212-23-2 |
| 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 |
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| fda reg : | unspecified |
h. number : | 2932.29.6000 |
| organoleptics : | |
| odor type : | tonka |
| odor strength : | medium , recommend smelling in a 10.00 % solution or less |
odor description¹ : at 10.00 % in dipropylene glycol. | tonka coumarin coconut toasted nutty celery burnt |
| taste description³ : | at 0.50 ppm. Woody, coumarinic, coconut, Iactonic, creamy and nutty with a toasted nuance |
| substantivity : | 59 hour(s) at 100.00 % |
| properties : | |
| appearence : | colorless clear liquid |
| assay : | 98.00 - 100.00 % sum of isomers
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| Food Chemicals Codex Listed : | No |
| specific gravity : | 0.95900 - 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 - 1.44700 @ 20.00 °C.
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| boiling point : | 93.00 - 94.00 °C. @ 5.00 mm Hg
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| logp : | 1.81 |
| safety : | |
| most important hazard(s) : |
Xi - Irritant |
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| Oral Toxicity(LD50) : |
Not determined
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| Dermal Toxicity(LD50) : |
Not determined
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| Maximised Survey-derived Daily Intakes (MSDI) : | ND (μg/capita/day) |
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| flash point ( Deg. F. ) : | > 212.00 °F. TCC ( > 100.00 °C. )
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| recommendation for whiskey lactone usage levels up to : |
| | 5.0000 % in the fragrance concentrate.
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| safety links : | |
| (EINECS) number : | 254-357-4 |
| chemidplus : | 039212232 |
| epa-srs : | 39212-23-2 |
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| other : | |
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| references : | |
| jecfa number : | 437 |
| fl. number : | 10.053 |
| pubchem : | 205086 |
| NIST Chemistry WebBook : | 1859732176 |
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| reference : | Luebke, William tgsc, (2007)¹ |
| reference : | Mosciano, Gerard P&F 22, No. 2, 69, (1997)³ |