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Food safety and quality
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| Flavouring |
2-Hexenal |
| Synonym(s) |
beta-Propyl acrolein;alpha-beta-Hexylenealdehyde;Leaf aldehyde;2-Hexen-1-al |
| Latest JECFA evaluation |
2004 (Session 63) |
| Status of specification |
Full |
| Information required |
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| Chemical name |
2-Hexenal |
| JECFA number |
1353 |
| CAS number |
6728-26-3 |
| FEMA number |
2560 |
| COE number |
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| FLAVIS number |
05.189 |
| Molecular weight |
98.14 |
| Chemical formula |
C6H10O |
| Physical form/odour |
Pale yellow to colourless oily liquid; Strong fruity, green, vegetable-like aroma |
| Solubility |
Soluble in propylene glycol and most fixed oils; Very slightly soluble in water |
| Solubility in ethanol |
Soluble |
| Boiling point (°C) |
47° (17mm Hg) |
| Assay min % |
92% (sum of cis/trans isomers) |
| Acid value max |
10 |
| Refractive index |
1.443-1.449 |
| Specific gravity |
0.841-0.848 |
| Other requirements |
SC: 2-Hexenoic acid |
| ID Test |
NMR |
| Spectrum |
 
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