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| IUPAC name : | 5-propyloxolan-2-one |
| InChI : | InChI=1/C7H12O2/c1-2-3-6-4-5-7(8)9-6/h6H,2-5H2,1H3 |
| InChIKey : | VLSVVMPLPMNWBH-UHFFFAOYAD |
| SMILES : | CCCC1CCC(=O)O1 |
| (EINECS) number : | 203-279-9 |
| cas number : | 105-21-5 |
| beilstein number : | 0109569 |
| fema number : | 2539 |
| coe number : | 2253 |
| jecfa number : | 225 |
| fl. number : | 10.020 |
| molar refractivity : | 34.14 ± 0.3 cm3 |
| parachor : | 304.2 ± 6.0 cm3 |
| index of refraction : | 1.436 ± 0.02 |
| surface tension : | 29.6 ± 3.0 dyne/cm |
| density : | 0.983 ± 0.06 g/cm3 |
| polarizability : | 13.53 ± 0.5 10-24cm3 |
| xlogp : | 1.60 |
| molecular weight : | 128.1689800 |
| formula : | C7 H12 O2 |
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| fda reg : | 172.515 |
h. number : | 2932.29.6000 |
| organoleptics : | |
| odor type : | coconut |
| odor strength : | medium , recommend smelling in a 10.00 % solution or less |
odor description : at 10.00 % in dipropylene glycol. | sweet coconut nutty caramel tonka hay |
| taste description³ : | at 15.00 ppm. Sweet, Iactonic, creamy, coconut and coumarin, with milky and tobacco nuances |
| substantivity : | 400 Hour(s) |
| properties : | |
| appearence : | colorless clear oily liquid |
| assay : | 98.00 - 100.00 %
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| Food Chemicals Codex Listed : | Yes |
| specific gravity : | 0.99700 - 1.00400 @ 25.00 °C.
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| pounds per gallon - calc. : | 8.296 to 8.354
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| refractive index : | 1.43900 - 1.44500 @ 20.00 °C.
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| boiling point : | 61.00 - 62.00 °C. @ 2.00 mm Hg
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| boiling point : | 100.00 - 106.00 °C. @ 7.00 mm Hg
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| logp : | 0.79 |
| safety : | |
| most important hazard(s) : |
Xi - Irritant |
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| Oral Toxicity(LD50) : |
Oral-Rat >5000.00 mg/kg (Moreno, 1977g)
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| Dermal Toxicity(LD50) : |
Skin-Rabbit >5.00 gm/kg FCTOD7 20,703,1982
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| Maximised Survey-derived Daily Intakes (MSDI) : | 170.00 (μg/capita/day) |
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| flash point ( Deg. F. ) : | > 230.00 °F. TCC ( > 110.00 °C. )
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| recommendation for gamma-heptalactone usage levels up to : |
| | 8.0000 % in the fragrance concentrate.
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| recommendation for gamma-heptalactone usage levels up to : |
| | 15.0000 ppm in the flavor.
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| safety links : | |
| (EINECS) number : | 203-279-9 |
| rtecs : | LU3697000 for 105-21-5 |
| chemidplus : | 000105215 |
| epa-srs : | 105-21-5 |
| dtp/nci : | 46097 |
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| other : | |
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| references : | |
| jecfa number : | 225 |
| fl. number : | 10.020 |
| pubchem : | 150833 |
| NIST Chemistry WebBook : | 2840673691 |
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| reference : | Mosciano, Gerard P&F 17, No. 3, 57, (1992)³ |