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Food safety and quality
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| Flavouring |
trans,trans-2,4-Dodecadienal |
| Synonym(s) |
4-Ethylsyringol |
| Latest JECFA evaluation |
2003 (Session 61) |
| Status of specification |
Full |
| Information required |
|
| Chemical name |
(2E,4E)-Dodeca-2,4-dienal |
| JECFA number |
1196 |
| CAS number |
21662-16-8 |
| FEMA number |
3670 |
| COE number |
|
| FLAVIS number |
05.125 |
| Molecular weight |
180.28 |
| Chemical formula |
C12H20O |
| Physical form/odour |
Oily liquid; light, faint spicy aroma |
| Solubility |
Slightly soluble in water; miscible in oils |
| Solubility in ethanol |
soluble |
| Boiling point (°C) |
130° (6 mm Hg) |
| Assay min % |
85 |
| Acid value max |
1 |
| Refractive index |
1.470-1.476 |
| Specific gravity |
0.983-0.989 |
| Other requirements |
SC: (E,Z)-2,4-dodecadienal |
| ID Test |
IR NMR |
| Spectrum |
 
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