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Online Edition: "Specifications for Flavourings"
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| Flavouring |
2-Octen-4-one |
| Synonym(s) |
Butyl propenyl ketone
Propenyl butyl ketone
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| Latest JECFA evaluation |
2002 (Session 59)
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| Status of specification |
Full |
| Chemical name |
Oct-2-en-4-one
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| JECFA number |
1129 |
| CAS number |
4643-27-0
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| FEMA number |
3603
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| COE number |
2313
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| FLAVIS number |
-
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| Molecular weight |
126.2 |
| Chemical formula |
C8H14O
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| Physical form/odour |
Colourless liquid; fruity floral odour |
| Solubility |
insoluble in water; soluble in fats |
| Solubility in ethanol |
Miscible at room temperature |
| Boiling point (°C) |
81° (20-21 mm Hg) |
| Assay min % |
96 |
| Acid value max |
- |
| Refractive index |
1.440-1.446 |
| Specific gravity |
0.835-0.842 |
| Other requirements |
[Predominantly (>90%) trans-isomer] |
| ID Test |
IR NMR |
| Spectrum |
http://www.fao.org/ag/agn/jecfa-flav/img/img/1129.gif
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