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Online Edition: "Specifications for Flavourings"
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| Flavouring |
(E,E)-2,4-Hexadienal |
| Synonym(s) |
2,4-Hexadienal, (trans, trans)-
2-Propyleneacrolein
Sorbaldehyde
Sorbic aldehyde
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| Latest JECFA evaluation |
2003 (Session 61)
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| Status of specification |
Full |
| Chemical name |
(2E,4E)-Hexa-2.4-dienal
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| JECFA number |
1175 |
| CAS number |
142-83-6
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| FEMA number |
3429
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| COE number |
-
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| FLAVIS number |
05.057
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| Molecular weight |
96.13 |
| Chemical formula |
C6H8O
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| Physical form/odour |
Yellow liquid; powerful but sweet-green aroma, in dilution pleasant citrusy green |
| Solubility |
Slightly soluble in water; miscible in oils |
| Solubility in ethanol |
soluble |
| Boiling point (°C) |
64° (15 mm Hg) |
| Assay min % |
97 |
| Acid value max |
1 |
| Refractive index |
1.538-1.543 |
| Specific gravity |
0.896-0.902 (20°) |
| Other requirements |
- |
| ID Test |
MS |
| Spectrum |
http://www.fao.org/ag/agn/jecfa-flav/img/img/1175.gif
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