Food safety and quality
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Flavouring |
Isoamyl acetoacetate |
Synonym(s) |
Isobutyl beta-ketobutyrate;Isobutyl 3-oxobutanoate;Isoamyl beta-ketobutyrate;Isoamyl 3-oxobutanoate |
Latest JECFA evaluation |
2000 (Session 55) |
Status of specification |
Full |
Information required |
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Chemical name |
3-Methylbutyl 3-oxobutyrate |
JECFA number |
598 |
CAS number |
2308-18-1 |
FEMA number |
3551 |
COE number |
227 |
FLAVIS number |
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Molecular weight |
172.23 |
Chemical formula |
C9H16O3 |
Physical form/odour |
colourless liquid; ethereal, fruity, somewhat herbaceous, winey, fermented apple-like odour |
Solubility |
insoluble in water; soluble in alcohol |
Solubility in ethanol |
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Boiling point (°C) |
222-224° |
Assay min % |
97% |
Acid value max |
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Refractive index |
1.426-1.433 |
Specific gravity |
0.954 (10°) |
Other requirements |
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ID Test |
IR |
Spectrum |
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