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Online Edition: "Specifications for Flavourings"
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| Flavouring |
Nootkatone |
| Synonym(s) |
4,4a,5,6,7,8-Hexahydro-6-iso-propenyl-4,4a-dimethyl-2(3H)-naphthalenone
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| Latest JECFA evaluation |
2004 (Session 63)
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| Status of specification |
Full |
| Chemical name |
4,4a,5,6,7,8-Hexahydro-4,4a-dimethyl-6-(1-methylene-ethyl)-2(3H)-naphthalenone
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| JECFA number |
1398 |
| CAS number |
4674-50-4
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| FEMA number |
3166
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| COE number |
-
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| FLAVIS number |
07.089
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| Molecular weight |
218.35 |
| Chemical formula |
C15H22O
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| Physical form/odour |
Colourless to pale yellow or orange coloured oily liquid; Powerful fruity sweet, citrusy, grapefruit peel oil like aroma |
| Solubility |
Soluble in oils; Slightly soluble in water |
| Solubility in ethanol |
Soluble |
| Boiling point (°C) |
73-103° (0.8 mm Hg) |
| Assay min % |
93% |
| Acid value max |
3 |
| Refractive index |
1.510-1.523 |
| Specific gravity |
1.003-1.032 |
| Other requirements |
SC: Dihydronootkatone |
| ID Test |
NMR |
| Spectrum |
http://www.fao.org/ag/agn/jecfa-flav/img/img/1398.gif
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