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Online Edition: "Specifications for Flavourings"
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| Flavouring |
(E)-7-Methyl-3-octen-2-one |
| Synonym(s) |
trans-7-Methyl-3-octen-2-one
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| Latest JECFA evaluation |
2002 (Session 59)
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| Status of specification |
Full |
| Chemical name |
(E)-7-Methyloct-3-en-2-one
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| JECFA number |
1135 |
| CAS number |
33046-81-0
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| FEMA number |
3868
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| COE number |
-
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| FLAVIS number |
-
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| Molecular weight |
140.2 |
| Chemical formula |
C9H16O
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| Physical form/odour |
Colourless liquid; fruity-floral aroma |
| Solubility |
slightly soluble in water; soluble in oils |
| Solubility in ethanol |
Miscible at room temperature |
| Boiling point (°C) |
198° |
| Assay min % |
94 |
| Acid value max |
N |
| Refractive index |
1.446-1.451 |
| Specific gravity |
0.838-0.847 |
| Other requirements |
SC: 7-Methyl-4-octen-2-one; 5,6-Dimethyl-3-hepten-2-one; 3-Nonen-2-one |
| ID Test |
MS IR NMR |
| Spectrum |
http://www.fao.org/ag/agn/jecfa-flav/img/img/1135.gif
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