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| IUPAC name : | ethyl (E)-but-2-enoate |
| InChI : | InChI=1/C6H10O2/c1-3-5-6(7)8-4-2/h3,5H,4H2,1-2H3/b5-3+ |
| InChIKey : | ZFDIRQKJPRINOQ-HWKANZROBY |
| SMILES : | CCOC(=O)\C=C\C |
| (EINECS) number : | 210-808-7 |
| cas number : | 623-70-1 |
| beilstein number : | 0635834 |
| fema number : | 3486 |
| coe number : | 2244 |
| fl. number : | 09.248 |
| molar refractivity : | 31.67 ± 0.3 cm3 |
| parachor : | 282.8 ± 4.0 cm3 |
| index of refraction : | 1.421 ± 0.02 |
| surface tension : | 26.4 ± 3.0 dyne/cm |
| density : | 0.915 ± 0.06 g/cm3 |
| polarizability : | 12.55 ± 0.5 10-24cm3 |
| xlogp : | 1.50 |
| molecular weight : | 114.1424000 |
| formula : | C6 H10 O2 |
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| fda reg : | 172.515 |
h. number : | unspecified |
| organoleptics : | |
| odor type : | chemical |
| odor strength : | medium , recommend smelling in a 10.00 % solution or less |
odor description : at 10.00 % in dipropylene glycol. | pungent chemical diffusive sweet allicious caramel rum |
| taste description³ : | at 10.00 ppm. Musty, onion and garlic, caramellic and brown notes |
| properties : | |
| appearence : | colorless to pale yellow clear liquid |
| assay : | 99.00 - 100.00 %
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| Food Chemicals Codex Listed : | No |
| specific gravity : | 0.91300 - 0.92000 @ 25.00 °C.
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| pounds per gallon - calc. : | 7.597 to 7.655
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| refractive index : | 1.42200 - 1.42700 @ 20.00 °C.
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| boiling point : | 142.00 - 143.00 °C. @ 760.00 mm Hg
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| acid value : | 1.00 max. KOH/g
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| logp : | 1.63 |
| safety : | |
| most important hazard(s) : |
Xi - Irritant |
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| Oral Toxicity(LD50) : |
Oral-Rat 3.00 gm/kg
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| Dermal Toxicity(LD50) : |
Skin-Guineapig >5.00 gm/kg
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| flash point ( Deg. F. ) : | 36.00 °F. TCC ( 2.22 °C. )
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| recommendation for ethyl (E)-2-crotonate usage levels up to : |
| | 4.0000 % in the fragrance concentrate.
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| recommendation for ethyl (E)-2-crotonate usage levels up to : |
| | 10.0000 ppm in the flavor.
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| safety links : | |
| (EINECS) number : | 210-808-7 |
| chemidplus : | 000623701 |
| epa-srs : | 623-70-1 |
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| other : | |
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| references : | |
| pubchem : | 155510 |
| NIST Chemistry WebBook : | 239484267 |
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| reference : | Mosciano, Gerard P&F 15, No. 2, 69, (1990)³ |