Food safety and quality
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Flavouring |
(E,E)-2,4-Heptadienal |
Synonym(s) |
trans,trans-2,4-Heptadienal |
Latest JECFA evaluation |
2003 (Session 61) |
Status of specification |
Full |
Information required |
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Chemical name |
(2E,4E)-Hepta-2.4-dienal |
JECFA number |
1179 |
CAS number |
881395 |
FEMA number |
3164 |
COE number |
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FLAVIS number |
05.084 |
Molecular weight |
110.16 |
Chemical formula |
C7H10O |
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 |
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