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Food safety and quality
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| Flavouring |
2,6-Nonadienal diethyl acetal |
| Synonym(s) |
|
| Latest JECFA evaluation |
2001 (Session 57) |
| Status of specification |
Full |
| Information required |
|
| Chemical name |
1,1-Diethoxy-2,6-nonadiene |
| JECFA number |
946 |
| CAS number |
67674-36-6 |
| FEMA number |
3378 |
| COE number |
660 |
| FLAVIS number |
|
| Molecular weight |
212.33 |
| Chemical formula |
C13H24O2 |
| Physical form/odour |
colourless oily liquid with a fresh, green, cucumber odour |
| Solubility |
insoluble in water; soluble in organic solvents, oils |
| Solubility in ethanol |
miscible at room temperature |
| Boiling point (°C) |
125° (4 mm Hg) |
| Assay min % |
90% (sum of isomers) |
| Acid value max |
1 |
| Refractive index |
1.441-1.448 |
| Specific gravity |
0.860-0.868 |
| Other requirements |
Minimum assay (named cpd. + isomers + 2-nonenal diethyl acetal): 98% |
| ID Test |
IR |
| Spectrum |
 
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