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Online Edition: "Specifications for Flavourings"
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| Flavouring |
5-Methyl-3-hexen-2-one |
| Synonym(s) |
Isobutylidene acetone
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| Latest JECFA evaluation |
2002 (Session 59)
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| Status of specification |
Full |
| Chemical name |
5-Methylhex-3-en-2-one
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| JECFA number |
1132 |
| CAS number |
5166-53-0
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| FEMA number |
3409
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| COE number |
11149
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| FLAVIS number |
-
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| Molecular weight |
112.17 |
| Chemical formula |
C7H12O
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| Physical form/odour |
clear colourless liquid; pungent metalic odour |
| Solubility |
insoluble in water |
| Solubility in ethanol |
Miscible at room temperature |
| Boiling point (°C) |
77.5° (50 mm Hg) |
| Assay min % |
99 |
| Acid value max |
- |
| Refractive index |
1.437-1.441 |
| Specific gravity |
0.838-0.843 |
| Other requirements |
- |
| ID Test |
NMR |
| Spectrum |
http://www.fao.org/ag/agn/jecfa-flav/img/img/1132.gif
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