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| IUPAC name : | 3-methylbut-2-enal |
| InChI : | InChI=1/C5H8O/c1-5(2)3-4-6/h3-4H,1-2H3 |
| InChIKey : | SEPQTYODOKLVSB-UHFFFAOYAT |
| SMILES : | CC(=CC=O)C |
| (EINECS) number : | 203-527-6 |
| cas number : | 107-86-8 |
| fema number : | 3646 |
| coe number : | 10354 |
| jecfa number : | 1202 |
| fl. number : | 05.124 |
| molar refractivity : | 25.30 ± 0.3 cm3 |
| parachor : | 223.3 ± 4.0 cm3 |
| index of refraction : | 1.411 ± 0.02 |
| surface tension : | 23.1 ± 3.0 dyne/cm |
| density : | 0.826 ± 0.06 g/cm3 |
| polarizability : | 10.02 ± 0.5 10-24cm3 |
| xlogp : | 0.90 |
| molecular weight : | 84.1164200 |
| formula : | C5 H8 O |
| BioActivity Analysis : | 430818 |
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| fda reg : | unspecified |
h. number : | 2912.19 |
| organoleptics : | |
| odor type : | fruity |
| odor strength : | high , recommend smelling in a 1.00 % solution or less |
odor description : at 1.00 % in dipropylene glycol. | sweet fruity pungent brown nutty almond cherry |
| taste description³ : | at 25.00 ppm. Sweet, fruity and green with a nutty and cherry background |
| properties : | |
| appearence : | colorless to yellow clear liquid |
| assay : | 97.00 - 100.00 %
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| Food Chemicals Codex Listed : | No |
| specific gravity : | 0.87200 @ 25.00 °C.
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| refractive index : | 1.46130 @ 20.00 °C.
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| boiling point : | 133.00 - 135.00 °C. @ 760.00 mm Hg
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| logp : | 1.07 |
| safety : | |
| Oral Toxicity(LD50) : |
Not determined
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| Dermal Toxicity(LD50) : |
Not determined
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| flash point ( Deg. F. ) : | 92.00 °F. TCC ( 33.33 °C. )
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| recommendation for 3-methyl-2-buten-1-al usage levels up to : |
| | 1.0000 % in the fragrance concentrate.
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| recommendation for 3-methyl-2-buten-1-al usage levels up to : |
| | 25.0000 ppm in the flavor.
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| safety links : | |
| (EINECS) number : | 203-527-6 |
| chemidplus : | 000107868 |
| epa-srs : | 107-86-8 |
| dtp/nci : | 149164 |
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| other : | |
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| references : | |
| pubchem : | 197246 |
| NIST Chemistry WebBook : | 618598574 |
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| reference : | Mosciano, Gerard P&F 19, No. 3, 51, (1994)³ |