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Food safety and quality
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| Flavouring |
2,4-Nonadienal |
| Synonym(s) |
trans,trans-2,4-Nonadienal |
| Latest JECFA evaluation |
2003 (Session 61) |
| Status of specification |
Full |
| Information required |
|
| Chemical name |
(2E,4E)-Nona-2.4-dienal |
| JECFA number |
1185 |
| CAS number |
1771490 |
| FEMA number |
3212 |
| COE number |
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| FLAVIS number |
05.071 |
| Molecular weight |
138.21 |
| Chemical formula |
C9H14O |
| Physical form/odour |
Slightly yellow liquid; strong, fatty, floral |
| Solubility |
soluble in fixed oils; Insoluble in water |
| Solubility in ethanol |
soluble |
| Boiling point (°C) |
97° (10 mm Hg) |
| Assay min % |
89% |
| Acid value max |
2 |
| Refractive index |
1.522-1.525 |
| Specific gravity |
0.850-0.870 |
| Other requirements |
SC: 2,4-nonadien-1-ol, 2-nonen-1-ol |
| ID Test |
IR |
| Spectrum |
 
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