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| IUPAC name : | (E)-hex-4-en-3-one |
| InChI : | InChI=1/C6H10O/c1-3-5-6(7)4-2/h3,5H,4H2,1-2H3/b5-3+ |
| InChIKey : | FEWIGMWODIRUJM-HWKANZROBK |
| (EINECS) number : | 219-681-2 |
| cas number : | 2497-21-4 |
| fema number : | 3352 |
| coe number : | 718 |
| jecfa number : | 1125 |
| fl. number : | 07.048 |
| molar refractivity : | 29.93 ± 0.3 cm3 |
| parachor : | 263.1 ± 4.0 cm3 |
| index of refraction : | 1.419 ± 0.02 |
| surface tension : | 24.4 ± 3.0 dyne/cm |
| density : | 0.829 ± 0.06 g/cm3 |
| polarizability : | 11.86 ± 0.5 10-24cm3 |
| xlogp : | 1.20 |
| molecular weight : | 98.1430000 |
| formula : | C6 H10 O |
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| fda reg : | unspecified |
h. number : | unspecified |
| organoleptics : | |
| odor type : | acidic |
| odor strength : | high , recommend smelling in a 1.00 % solution or less |
odor description : at 1.00 % in propylene glycol. | pungent acid metallic ethereal |
| taste description³ : | at 20.00 ppm. Etherial, whiskey-Iike and metallic, fruity with tropical nuances |
| properties : | |
| appearence : | colorless to pale yellow clear liquid |
| assay : | 92.00 - 100.00 %
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| Food Chemicals Codex Listed : | No |
| specific gravity : | 0.80180 - 0.82180 @ 20.00 °C.
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| pounds per gallon - calc. : | 6.680 to 6.846
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| refractive index : | 1.43500 - 1.44100 @ 20.00 °C.
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| boiling point : | 136.00 - 137.00 °C. @ 760.00 mm Hg
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| boiling point : | 76.20 °C. @ 8.50 mm Hg
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| logp : | 1.31 |
| safety : | |
| most important hazard(s) : |
Xn - Harmful. |
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| Oral Toxicity(LD50) : |
Oral-Mouse 780.00 mg/kg
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| Dermal Toxicity(LD50) : |
Not determined
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| flash point ( Deg. F. ) : | 94.00 °F. TCC ( 34.44 °C. )
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| recommendation for 4-hexen-3-one usage levels up to : |
| | not for fragrance use.
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| recommendation for 4-hexen-3-one usage levels up to : |
| | 20.0000 ppm in the flavor.
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| safety links : | |
| (EINECS) number : | 219-681-2 |
| rtecs : | MP8659900 for 2497-21-4 |
| chemidplus : | 002497214 |
| epa-srs : | 2497-21-4 |
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| other : | |
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| references : | |
| pubchem : | 160427 |
| NIST Chemistry WebBook : | 667116380 |
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| reference : | Mosciano, Gerard P&F 18, No. 3, 53, (1993)³ |