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Online Edition: "Specifications for Flavourings"
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| Flavouring |
(E) & (Z)-4,8-Dimethyl-3,7-nonadien-2-one |
| Synonym(s) |
Citrinone
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| Latest JECFA evaluation |
2002 (Session 59)
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| Status of specification |
Full |
| Chemical name |
4,8-Dimethynona-3,7-dien-2-one
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| JECFA number |
1137 |
| CAS number |
817-88-9
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| FEMA number |
3969
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| COE number |
-
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| FLAVIS number |
-
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| Molecular weight |
166.26 |
| Chemical formula |
C11H18O
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| 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 |
- |
| 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 |
http://www.fao.org/ag/agn/jecfa-flav/img/img/1137.gif
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