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Online Edition: "Specifications for Flavourings"
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| Flavouring |
Isobutyl acetoacetate |
| Synonym(s) |
Isobutyl 3-oxobutanoate
Isobutyl beta-ketobutyrate
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| Latest JECFA evaluation |
2000 (Session 55)
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| Status of specification |
Full |
| Chemical name |
2-Methylpropyl 3-oxobutyrate
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| JECFA number |
597 |
| CAS number |
7779-75-1
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| FEMA number |
2177
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| COE number |
242
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| FLAVIS number |
-
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| Molecular weight |
158.2 |
| Chemical formula |
C8H14O3
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| Physical form/odour |
colourless liquid; fruity taste; sweet, fruity odour of brandy |
| Solubility |
insoluble in water; soluble in alcohol and oil |
| Solubility in ethanol |
- |
| Boiling point (°C) |
196; 84.5 (11 mm Hg) |
| Assay min % |
98 |
| Acid value max |
- |
| Refractive index |
1.422-1.432 |
| Specific gravity |
0.970 |
| Other requirements |
- |
| ID Test |
IR |
| Spectrum |
http://www.fao.org/ag/agn/jecfa-flav/img/img_add8/597.gif
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