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Online Edition: "Specifications for Flavourings"
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| Flavouring |
(E,E)-2,4-Heptadienal |
| Synonym(s) |
trans,trans-2,4-Heptadienal
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| Latest JECFA evaluation |
2003 (Session 61)
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| Status of specification |
Full |
| Chemical name |
(2E,4E)-Hepta-2.4-dienal
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| JECFA number |
1179 |
| CAS number |
4313-03-5
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| FEMA number |
3164
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| COE number |
-
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| FLAVIS number |
05.084
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| Molecular weight |
110.16 |
| Chemical formula |
C7H10O
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| Physical form/odour |
Slightly yellow liquid; fatty, green aroma |
| Solubility |
Soluble in fixed oils; Insoluble in water |
| Solubility in ethanol |
soluble |
| Boiling point (°C) |
84° (1 mm Hg) |
| Assay min % |
92 |
| Acid value max |
10 |
| Refractive index |
1.478-1.480 |
| Specific gravity |
0.822-0.828 |
| Other requirements |
SC: (E,Z)-2,4-heptadienal, 2,4-heptadienoic acid |
| ID Test |
IR |
| Spectrum |
http://www.fao.org/ag/agn/jecfa-flav/img/img/1179.gif
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