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Online Edition: "Specifications for Flavourings"
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| Flavouring |
trans,trans-2,4-Octadienal |
| Synonym(s) |
-
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| Latest JECFA evaluation |
2003 (Session 61)
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| Status of specification |
Full |
| Chemical name |
(2E,4E)-Octa-2,4-dienal
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| JECFA number |
1181 |
| CAS number |
30361-28-5
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| FEMA number |
3721
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| COE number |
-
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| FLAVIS number |
05.186
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| Molecular weight |
124.18 |
| Chemical formula |
C8H12O
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| Physical form/odour |
Liquid; fatty, green, sour aroma |
| Solubility |
Insoluble in water; miscible in fats |
| Solubility in ethanol |
soluble |
| Boiling point (°C) |
105-106° (8 mm Hg) |
| Assay min % |
99 |
| Acid value max |
2 |
| Refractive index |
1.519-1.525 |
| Specific gravity |
0.832-0.839 |
| Other requirements |
- |
| ID Test |
IR NMR |
| Spectrum |
http://www.fao.org/ag/agn/jecfa-flav/img/img/1181.gif
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