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Food safety and quality
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| Flavouring |
(E) & (Z)-4,8-Dimethyl-3,7-nonadien-2-one |
| Synonym(s) |
Citrinone |
| Latest JECFA evaluation |
2002 (Session 59) |
| Status of specification |
Full |
| Information required |
|
| Chemical name |
4,8-Dimethynona-3,7-dien-2-one |
| JECFA number |
1137 |
| CAS number |
817-88-9 |
| FEMA number |
3969 |
| COE number |
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| FLAVIS number |
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| Molecular weight |
166.26 |
| Chemical formula |
C11H18O |
| Physical form/odour |
Colourless to light yellow liquid; floral-fruity odour |
| Solubility |
insoluble in water; 50% soluble in heptane or triacetin |
| Solubility in ethanol |
Miscible at room temperature |
| Boiling point (°C) |
200-201° |
| Assay min % |
94% |
| Acid value max |
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| Refractive index |
1.473-1.477 |
| Specific gravity |
0.869-0.875 |
| Other requirements |
SC: 4,8-Dimethyl-3,7-nonadien-2-ol |
| ID Test |
MS IR NMR |
| Spectrum |
 
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