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| IUPAC name : | 3-ethyl-2-hydroxycyclopent-2-en-1-one |
| InChI : | InChI=1/C7H10O2/c1-2-5-3-4-6(8)7(5)9/h9H,2-4H2,1H3 |
| InChIKey : | JHWFWLUAUPZUCP-UHFFFAOYAA |
| SMILES : | CCC1=C(C(=O)CC1)O |
| (EINECS) number : | 244-606-5 |
| cas number : | 21835-01-8 |
| fema number : | 3152 |
| coe number : | 759 |
| jecfa number : | 419 |
| fl. number : | 07.057 |
| molar refractivity : | 33.70 ± 0.3 cm3 |
| parachor : | 283.0 ± 6.0 cm3 |
| index of refraction : | 1.530 ± 0.02 |
| surface tension : | 45.4 ± 3.0 dyne/cm |
| density : | 1.156 ± 0.06 g/cm3 |
| polarizability : | 13.36 ± 0.5 10-24cm3 |
| xlogp : | 0.90 |
| molecular weight : | 126.1531000 |
| formula : | C7 H10 O2 |
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| fda reg : | unspecified |
h. number : | unspecified |
| organoleptics : | |
| odor type : | caramellic |
| odor strength : | high , recommend smelling in a 1.00 % solution or less |
odor description : at 1.00 % in propylene glycol. | sweet caramel maple rum whiskey |
| taste description³ : | at 12.00 ppm. Sweet, jammy, fruity, brown, toasted, maple, nutty |
| substantivity : | 92 Hour(s) |
| properties : | |
| appearence : | pale brown powder |
| assay : | 97.00 - 100.00 %
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| Food Chemicals Codex Listed : | No |
| specific gravity : | 1.06200 - 1.09200 @ 25.00 °C.
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| pounds per gallon - calc. : | 8.837 to 9.087
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| refractive index : | 1.46300 - 1.48200 @ 20.00 °C.
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| melting point : | 42.00 - 44.00 °C. @ 760.00 mm Hg
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| boiling point : | 78.00 - 80.00 °C. @ 4.00 mm Hg
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| boiling point : | 65.00 - 68.00 °C. @ 1.00 mm Hg
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| logp : | 0.83 |
| shelf life : | 12.00 month(s) or longer if stored properly. |
| Storage : | refrigerate in tightly sealed containers. |
| safety : | |
| Oral Toxicity(LD50) : |
Not determined
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| Dermal Toxicity(LD50) : |
Not determined
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| flash point ( Deg. F. ) : | 212.00 °F. TCC ( 100.00 °C. )
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| recommendation for ethyl cyclopentenolone usage levels up to : |
| | 0.3000 % in the fragrance concentrate.
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| recommendation for ethyl cyclopentenolone usage levels up to : |
| | 10.0000 ppm in the flavor.
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| safety links : | |
| (EINECS) number : | 244-606-5 |
| chemidplus : | 021835018 |
| epa-srs : | 21835-01-8 |
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| other : | |
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| references : | |
| jecfa number : | 419 |
| fl. number : | 07.057 |
| pubchem : | 204701 |
| NIST Chemistry WebBook : | 1085347102 |
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| reference : | Mosciano, Gerard P&F 23, No. 5, 49, (1998)³ |