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Online Edition: "Specifications for Flavourings"
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| Flavouring |
Dehydronootkatone |
| Synonym(s) |
8,9-Didehydronootkatone
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| Latest JECFA evaluation |
2008 (Session 69)
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| Status of specification |
Full |
| Chemical name |
[4R-(4alpha,4a alpha,6beta)]-4,4a,5,6-Tetrahydro-4,4a-dimethyl-6-(1-methylethenyl)-2(3H)-naphthalenone
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| JECFA number |
1862 |
| CAS number |
5090-63-1
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| FEMA number |
4091
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| COE number |
-
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| FLAVIS number |
-
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| Molecular weight |
216.33 |
| Chemical formula |
C15H20O
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| Physical form/odour |
Pale yellow to brown liquid; Fruity aroma with citrus undertone |
| Solubility |
Practically insoluble or insoluble in water; soluble in non-polar solvents |
| Solubility in ethanol |
Insoluble |
| Boiling point (°C) |
129-130 |
| Assay min % |
95 |
| Acid value max |
- |
| Refractive index |
1.559-1.569 |
| Specific gravity |
1.009-1.019 |
| Other requirements |
- |
| ID Test |
HNMR |
| Spectrum |
http://www.fao.org/ag/agn/jecfa-flav/img/jecfa69/1862-hnmr.gif
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