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| IUPAC name : | oxolan-2-one |
| InChI : | InChI=1/C4H6O2/c5-4-2-1-3-6-4/h1-3H2 |
| InChIKey : | YEJRWHAVMIAJKC-UHFFFAOYAC |
| SMILES : | C1CC(=O)OC1 |
| (EINECS) number : | 202-509-5 |
| cas number : | 96-48-0 |
| fema number : | 3291 |
| coe number : | 615 |
| jecfa number : | 219 |
| fl. number : | 10.006 |
| molar refractivity : | 20.18 ± 0.3 cm3 |
| parachor : | 186.0 ± 4.0 cm3 |
| index of refraction : | 1.442 ± 0.02 |
| surface tension : | 35.4 ± 3.0 dyne/cm |
| density : | 1.128 ± 0.06 g/cm3 |
| polarizability : | 8.00 ± 0.5 10-24cm3 |
| xlogp : | 0.20 |
| molecular weight : | 86.0892400 |
| formula : | C4 H6 O2 |
| BioActivity Analysis : | 70860 |
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| fda reg : | unspecified |
h. number : | 2932.29.6000 |
| organoleptics : | |
| odor type : | creamy |
| odor strength : | medium |
odor description : at 100.00 %. | creamy oily fatty caramel |
| taste description³ : | at 75.00 ppm. Milky, creamy with fruity peach-like afternotes |
| properties : | |
| appearence : | colorless to pale yellow clear liquid |
| assay : | 98.00 - 100.00 %
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| Food Chemicals Codex Listed : | Yes |
| specific gravity : | 1.12000 - 1.13000 @ 25.00 °C.
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| pounds per gallon - calc. : | 9.320 to 9.403
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| refractive index : | 1.43400 - 1.45400 @ 25.00 °C.
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| melting point : | -45.00 °C. @ 760.00 mm Hg
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| boiling point : | 204.00 - 205.00 °C. @ 760.00 mm Hg
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| logp : | -0.64 |
| safety : | |
| most important hazard(s) : |
Xn - Harmful. |
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| Oral Toxicity(LD50) : |
Oral-Rat 1540.00 mg/kg
Gavage-Mouse 1245.00 mg/kg (Schafer & Bowles, 1985)
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| Dermal Toxicity(LD50) : |
Skin-Guineapig >5.00 gm/kg
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| Maximised Survey-derived Daily Intakes (MSDI) : | 110.00 (μg/capita/day) |
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| flash point ( Deg. F. ) : | 209.00 °F. TCC ( 98.33 °C. )
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| recommendation for gamma-butyrolactone usage levels up to : |
| | 0.5000 % in the fragrance concentrate.
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| recommendation for gamma-butyrolactone usage levels up to : |
| | 75.0000 ppm in the flavor.
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| safety links : | |
| (EINECS) number : | 202-509-5 |
| rtecs : | LU3500000 for 96-48-0 |
| chemidplus : | 000096480 |
| epa-srs : | 96-48-0 |
| dtp/nci : | 4592 |
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| other : | |
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| references : | |
| jecfa number : | 219 |
| fl. number : | 10.006 |
| pubchem : | 150354 |
| NIST Chemistry WebBook : | 2616688338 |
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| reference : | Mosciano, Gerard P&F 16, No. 2, 49, (1991)³ |